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  Variation in cases per month of acanthamoeba, a waterborne pathogen

  Lane, J. A., Mathers, W. D., Sutphin, J. E. & Folberg, R., Dec 1 1997, In: Investigative Ophthalmology and Visual Science. 38, 4, p. S424

  Research output: Contribution to journal › Article › peer-review
  3 Scopus citations

• Variation in diagnostic testing for older patients with syncope in the emergency department

  the Syncope Risk Stratification Study Group, May 2019, In: American Journal of Emergency Medicine. 37, 5, p. 810-816 7 p.

  Research output: Contribution to journal › Article › peer-review
  8 Scopus citations

• Variation in Early Management Practices in Moderate-to-Severe ARDS in the United States: The Severe ARDS: Generating Evidence Study

  the Severe ARDS: Generating Evidence (SAGE) Study Investigators & the Society of Critical Care Medicine's Discovery Network, Oct 2021, In: CHEST. 160, 4, p. 1304-1315 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  3 Scopus citations

• Variation in Educational Services Receipt Among US Children With Developmental Conditions

  Lindly, O. J., Sinche, B. K. & Zuckerman, K. E., Sep 1 2015, In: Academic Pediatrics. 15, 5, p. 534-543 10 p., 710.

  Research output: Contribution to journal › Article › peer-review
  10 Scopus citations

• Variation in Electronic Health Record Documentation of Social Determinants of Health Across a National Network of Community Health Centers

  Cottrell, E. K., Dambrun, K., Cowburn, S., Mossman, N., Bunce, A. E., Marino, M., Krancari, M. & Gold, R., Dec 2019, In: American journal of preventive medicine. 57, 6, p. S65-S73

  Research output: Contribution to journal › Article › peer-review

  Open Access
  17 Scopus citations

• Variation in estimates of limited ealth Literacy by Assessment Instruments and Non-Response Bias

  Griffin, J. M., Partin, M. R., Noorbaloochi, S., Grill, J. P., Saha, S., Snyder, A., Nugent, S., Baines Simon, A., Gralnek, I., Provenzale, D. & Van Ryn, M., Jul 2010, In: Journal of general internal medicine. 25, 7, p. 675-681 7 p.

  Research output: Contribution to journal › Article › peer-review
  34 Scopus citations

• Variation in fluid and vasopressor use in shock with and without physiologic assessment: A multicenter observational study

  Chen, J. T., Roberts, R., Fazzari, M. J., Kashani, K., Qadir, N., Cairns, C. B., Mathews, K., Park, P., Khan, A., Gilmore, J. F., Brown, A. R. T., Tsuei, B., Handzel, M., Lee Chang, A., Duggal, A., Lanspa, M., Herbert, J. T., Martinez, A., Tonna, J., Ammar, M. A. & 15 others, Hammond, D., Nazer, L. H., Heavner, M., Pender, E., Chambers, L., Kenes, M. T., Kaufman, D., Downey, A., Brown, B., Chaykosky, D., Wolff, A., Smith, M., Nault, K., Sevransky, J. & Gong, M. N., 2020, (Accepted/In press) In: Critical care medicine. p. 1436-1444 9 p.

  Research output: Contribution to journal › Article › peer-review
  1 Scopus citations

• Variation in GABA mini amplitude is the consequence of variation in transmitter concentration

  Frerking, M., Borges, S. & Wilson, M., Oct 1995, In: Neuron. 15, 4, p. 885-895 11 p.

  Research output: Contribution to journal › Article › peer-review
  170 Scopus citations

• Variation in genes controlling warfarin disposition and response in American Indian and Alaska Native people: CYP2C9, VKORC1, CYP4F2, CYP4F11, GGCX

  Fohner, A. E., Robinson, R., Yracheta, J., Dillard, D. A., Schilling, B., Khan, B., Hopkins, S., Boyer, B. B., Black, J., Wiener, H., Tiwari, H. K., Gordon, A., Nickerson, D., Tsai, J. M., Farin, F. M., Thornton, T. A., Rettie, A. E. & Thummel, K. E., Jun 19 2015, In: Pharmacogenetics and Genomics. 25, 7, p. 343-353 11 p.

  Research output: Contribution to journal › Article › peer-review
  30 Scopus citations

• Variation in genome-wide mutation rates within and between human families

  Conrad, D. F., Keebler, J. E. M., Depristo, M. A., Lindsay, S. J., Zhang, Y., Casals, F., Idaghdour, Y., Hartl, C. L., Torroja, C., Garimella, K. V., Zilversmit, M., Cartwright, R., Rouleau, G. A., Daly, M., Stone, E. A., Hurles, M. E. & Awadalla, P., Jul 2011, In: Nature genetics. 43, 7, p. 712-714 3 p.

  Research output: Contribution to journal › Article › peer-review
  373 Scopus citations

• Variation in GIGYF2 is not associated with Parkinson disease

  Nichols, W. C., Kissell, D. K., Pankratz, N., Pauciulo, M. W., Elsaesser, V. E., Clark, K. A., Halter, C. A., Rudolph, A., Wojcieszek, J., Pfeiffer, R. F. & Foroud, T., Jun 2 2009, In: Neurology. 72, 22, p. 1886-1892 7 p.

  Research output: Contribution to journal › Article › peer-review
  34 Scopus citations

• Variation in H-2K(k) peptide motif revealed by sequencing naturally processed peptides from T-cell hybridoma class I molecules

  Burrows, G., Ariail, K., Celnik, B., Gambee, J. E., Bebo, B. F., Offner, H. & Vandenbark, A. A., Sep 15 1996, In: Journal of Neuroscience Research. 45, 6, p. 803-811 9 p.

  Research output: Contribution to journal › Article › peer-review
  9 Scopus citations

• Variation in HIV-1 nef function within and among viral subtypes reveals genetically separable antagonism of serinc3 and serinc5

  Jin, S. W., Mwimanzi, F. M., Mann, J. K., Bwana, M. B., Lee, G. Q., Brumme, C. J., Hunt, P. W., Martin, J. N., Bangsberg, D. R., Ndung'u, T., Brumme, Z. L. & Brockman, M. A., Sep 2020, In: PLoS pathogens. 16, 9, e1008813.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  7 Scopus citations

• Variation in Hospice Patient and Admission Characteristics by Referral Location

  Furuno, J. P., Noble, B. N., Mcpherson, M. L., Lapane, K. L., Sera, L., Izumi, S. & Tjia, J., Dec 2020, In: Medical care. 58, 12, p. 1069-1074 6 p.

  Research output: Contribution to journal › Article › peer-review
  4 Scopus citations

• Variation in hospital charges in patients with external ventricular drains: Comparison between the intensive care and surgical floor settings

  Chu, J. K., Feroze, A. H., Collins, K., McGrath, L. B., Young, C. C., Williams, J. R. & Browd, S. R., 2019, In: Journal of Neurosurgery: Pediatrics. 24, 1, p. 29-34 6 p.

  Research output: Contribution to journal › Article › peer-review
  2 Scopus citations

• Variation in Hospital Use and Outcomes Associated with Pulmonary Artery Catheterization in Heart Failure in the United States

  Khera, R., Pandey, A., Kumar, N., Singh, R., Bano, S., Golwala, H., Kumbhani, D. J., Girotra, S. & Fonarow, G. C., Nov 1 2016, In: Circulation: Heart Failure. 9, 11, e003226.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  27 Scopus citations

• Variation in Initial U.S. Hospital Responses to the Coronavirus Disease 2019 Pandemic∗

  Mathews, K. S., Seitz, K. P., Vranas, K. C., Duggal, A., Valley, T. S., Zhao, B., Gundel, S., Harhay, M. O., Chang, S. Y. & Hough, C. L., 2021, (Accepted/In press) In: Critical care medicine. p. 1038-1048 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  10 Scopus citations

• Variation in internal medicine residency clinic practices: Assessing practice environments and quality of care

  Mladenovic, J., Shea, J. A., Duffy, F. D., Lynn, L. A., Holmboe, E. S. & Lipner, R. S., Jul 2008, In: Journal of general internal medicine. 23, 7, p. 914-920 7 p.

  Research output: Contribution to journal › Article › peer-review
  22 Scopus citations

• Variation in management based on type of choledochal cyst

  Lopez, R. R., Pinson, C. W., Campbell, J. R., Harrison, M. & Katon, R. M., May 1991, In: The American Journal of Surgery. 161, 5, p. 612-615 4 p.

  Research output: Contribution to journal › Article › peer-review
  76 Scopus citations

• Variation in microbiologic profiles among pregnant women with bacterial vaginosis

  Pereira, L., Culhane, J., McCollum, K., Agnew, K. & Nyirjesy, P., Sep 2005, In: American journal of obstetrics and gynecology. 193, 3, p. 746-751 6 p.

  Research output: Contribution to journal › Article › peer-review
  23 Scopus citations

• Variation in NF-κB signaling pathways and survival in invasive epithelial ovarian cancer

  Block, M. S., Charbonneau, B., Vierkant, R. A., Fogarty, Z., Bamlet, W. R., Pharoah, P. D. P., Chenevix-Trench, G., Rossing, M. A., Cramer, D., Pearce, C. L., Schildkraut, J., Menon, U., Kjaer, S. K., Levine, D. A., Gronwald, J., Culver, H. A., Whittemore, A. S., Karlan, B. Y., Lambrechts, D., Wentzensen, N. & 72 others, Kupryjanczyk, J., Chang-Claude, J., Bandera, E. V., Hogdall, E., Heitz, F., Kaye, S. B., Fasching, P. A., Campbell, I., Goodman, M. T., Pejovic, T., Bean, Y. T., Hays, L. E., Lurie, G., Eccles, D., Hein, A., Beckmann, M. W., Ekici, A. B., Paul, J., Brown, R., Flanagan, J. M., Harter, P., Du Bois, A., Schwaab, I., Hogdall, C. K., Lundvall, L., Olson, S. H., Orlow, I., Paddock, L. E., Rudolph, A., Eilber, U., Dansonka-Mieszkowska, A., Rzepecka, I. K., Ziolkowska-Seta, I., Brinton, L. A., Yang, H., Garcia-Closas, M., Despierre, E., Lambrechts, S., Vergote, I., Walsh, C. S., Lester, J., Sieh, W., McGuire, V., Rothstein, J. H., Ziogas, A., Lubinski, J., Cybulski, C., Menkiszak, J., Jensen, A., Gayther, S. A., Ramus, S. J., Gentry-Maharaj, A., Berchuck, A., Wu, A. H., Pike, M. C., Van Den Berg, D., Terry, K. L., Vitonis, A. F., Ramirez, S. M., Rider, D. N., Knutson, K. L., Sellers, T. A., Phelan, C. M., Doherty, J. A., Johnatty, S. E., De Fazio, A., Song, H., Tyrer, J., Kalli, K. R., Fridley, B. L., Cunningham, J. M. & Goode, E. L., Jul 2014, In: Cancer Epidemiology Biomarkers and Prevention. 23, 7, p. 1421-1427 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  11 Scopus citations

• Variation in oral calcitriol response in patients with stages 3-4 CKD

  Shoben, A. B., Levin, G., De Boer, I. H., Yeung, C., Watnick, S., Ayers, E. & Kestenbaum, B., May 2012, In: American Journal of Kidney Diseases. 59, 5, p. 645-652 8 p.

  Research output: Contribution to journal › Article › peer-review
  2 Scopus citations

• Variation in organophosphate pesticide metabolites in urine of children living in agricultural communities

  Lambert, W. E., Lasarev, M., Muniz, J., Scherer, J., Rothlein, J., Santana, J. & McCauley, L., Apr 2005, In: Environmental health perspectives. 113, 4, p. 504-508 5 p.

  Research output: Contribution to journal › Article › peer-review
  61 Scopus citations

• Variation in outcomes of quality measurement by data source

  Angier, H., Gold, R., Gallia, C., Casciato, A., Tillotson, C. J., Marino, M., Mangione-Smith, R. & DeVoe, J. E., Jun 1 2014, In: Pediatrics. 133, 6, p. e1676-e1682

  Research output: Contribution to journal › Article › peer-review
  17 Scopus citations

• Variation in out-of-hospital cardiac arrest resuscitation and transport practices in the Resuscitation Outcomes Consortium: ROC Epistry-Cardiac Arrest

  Zive, D., Koprowicz, K., Schmidt, T., Stiell, I., Sears, G., Van Ottingham, L., Idris, A., Stephens, S. & Daya, M., Mar 2011, In: Resuscitation. 82, 3, p. 277-284 8 p.

  Research output: Contribution to journal › Article › peer-review
  88 Scopus citations

• Variation in Parasympathetic Dysregulation Moderates Short-term Memory Problems in Childhood Attention-Deficit/Hyperactivity Disorder

  Ward, A. R., Alarcón, G., Nigg, J. T. & Musser, E. D., Nov 1 2015, In: Journal of Abnormal Child Psychology. 43, 8, p. 1573-1583 11 p.

  Research output: Contribution to journal › Article › peer-review
  21 Scopus citations

• Variation in PCSK9 and HMGCR and risk of cardiovascular disease and diabetes

  Ference, B. A., Robinson, J. G., Brook, R. D., Catapano, A. L., Chapman, M. J., Neff, D. R., Voros, S., Giugliano, R. P., Smith, G. D., Fazio, S. & Sabatine, M. S., Dec 1 2016, In: New England Journal of Medicine. 375, 22, p. 2144-2153 10 p.

  Research output: Contribution to journal › Article › peer-review
  400 Scopus citations

• Variation in physician opinion about scheduling of return visits for common ambulatory care conditions

  Tobacman, J. K., Zeitler, R. R., Cilursu, A. M. & Mori, M., May 1 1992, In: Journal of general internal medicine. 7, 3, p. 312-316 5 p.

  Research output: Contribution to journal › Article › peer-review
  21 Scopus citations

• Variation in pituitary-gonadal function in two adolescent boys with 46XX male syndrome

  LaFranchi, S., Magenis, E. R. & Prescott, G. H., Dec 1980, In: The Journal of pediatrics. 97, 6, p. 960-962 3 p.

  Research output: Contribution to journal › Article › peer-review
  7 Scopus citations

• Variation in practice of ileal intubation among diverse endoscopy settings: Results from a national endoscopic database

  Harewood, G. C., Mattek, N. C., Holub, J. L., Peters, D. & Lieberman, D. A., Sep 15 2005, In: Alimentary Pharmacology and Therapeutics. 22, 6, p. 571-578 8 p.

  Research output: Contribution to journal › Article › peer-review
  24 Scopus citations

• Variation in prehospital use and uptake of the national field triage decision scheme

  Barnett, A. S., Wang, N. E., Sahni, R., Hsia, R. Y., Haukoos, J. S., Barton, E. D., Holmes, J. F. & Newgard, C. D., Apr 2013, In: Prehospital Emergency Care. 17, 2, p. 135-148 14 p.

  Research output: Contribution to journal › Article › peer-review
  27 Scopus citations

• Variation in printed handoff documents: Results and recommendations from a multicenter needs assessment

  I-PASS Study Education Executive Committee, Aug 1 2015, In: Journal of hospital medicine. 10, 8, p. 517-524 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  13 Scopus citations

• Variation in Radiologic and Urologic Computed Tomography Interpretation of Urinary Tract Stone Burden: Results From the Registry for Stones of the Kidney and Ureter

  Tzou, D. T., Isaacson, D., Usawachintachit, M., Wang, Z. J., Taguchi, K., Hills, N. K., Hsi, R. S., Sherer, B. A., Reliford-Titus, S., Duty, B., Harper, J. D., Sorensen, M., Sur, R. L., Stoller, M. L. & Chi, T., Jan 2018, In: Urology. 111, p. 59-64 6 p.

  Research output: Contribution to journal › Article › peer-review
  4 Scopus citations

• Variation in reported safety of lumbar interbody fusion: Influence of industrial sponsorship and other study characteristics

  Fenton, J. J., Mirza, S. K., Lahad, A., Stern, B. D. & Deyo, R. A., Feb 2007, In: Spine. 32, 4, p. 471-480 10 p.

  Research output: Contribution to journal › Article › peer-review
  36 Scopus citations

• Variation in sepsis evaluation across a national network of nurseries

  Mukhopadhyay, S., Taylor, J. A., Von Kohorn, I., Flaherman, V., Burgos, A. E., Phillipi, C. A., Dhepyasuwan, N., King, E., Dhudasia, M. & Puopolo, K. M., Mar 2017, In: Pediatrics. 139, 3, e20162845.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  43 Scopus citations

• Variation in small bowel biopsy performance among diverse endoscopy settings: Results from a national endoscopic database

  Harewood, G. C., Holub, J. L. & Lieberman, D. A., Sep 1 2004, In: American Journal of Gastroenterology. 99, 9, p. 1790-1794 5 p.

  Research output: Contribution to journal › Article › peer-review
  34 Scopus citations

• Variation in strategy use across measures of verbal working memory

  Morrison, A. B., Rosenbaum, G. M., Fair, D. & Chein, J. M., Aug 1 2016, In: Memory and Cognition. 44, 6, p. 922-936 15 p.

  Research output: Contribution to journal › Article › peer-review
  33 Scopus citations

• Variation in surgical decision making for degenerative spinal disorders. Part I: Lumbar spine

  Irwin, Z. N., Hilibrand, A., Gustavel, M., McLain, R., Shaffer, W., Myers, M., Glaser, J. & Hart, R. A., Oct 1 2005, In: Spine. 30, 19, p. 2208-2213 6 p.

  Research output: Contribution to journal › Article › peer-review
  114 Scopus citations

• Variation in surgical decision making for degenerative spinal disorders. Part II: Cervical spine

  Irwin, Z. N., Hilibrand, A., Gustavel, M., McLain, R., Shaffer, W., Myers, M., Glaser, J. & Hart, R. A., Oct 1 2005, In: Spine. 30, 19, p. 2214-2219 6 p.

  Research output: Contribution to journal › Article › peer-review
  67 Scopus citations

• Variation in Survival after Out-of-Hospital Cardiac Arrest between Emergency Medical Services Agencies

  Okubo, M., Schmicker, R. H., Wallace, D. J., Idris, A. H., Nichol, G., Austin, M. A., Grunau, B., Wittwer, L. K., Richmond, N., Morrison, L. J., Kurz, M. C., Cheskes, S., Kudenchuk, P. J., Zive, D. M., Aufderheide, T. P., Wang, H. E., Herren, H., Vaillancourt, C., Davis, D. P., Vilke, G. M. & 5 others, Scheuermeyer, F. X., Weisfeldt, M. L., Elmer, J., Colella, R. & Callaway, C. W., Oct 2018, In: JAMA Cardiology. 3, 10, p. 989-999 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  34 Scopus citations

• Variation in symptom distress in underserved Chinese American cancer patients

  Dhingra, L. K., Lam, K., Cheung, W., Shao, T., Li, Z., Van De Maele, S., Chang, V. T., Chen, J., Ye, H., Wong, R., Lam, W. L., Chan, S., Bookbinder, M., Dieckmann, N. F. & Portenoy, R., Sep 1 2015, In: Cancer. 121, 18, p. 3352-3359 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  8 Scopus citations

• Variation in symptoms of sleep-disordered breathing with race and ethnicity: the Sleep Heart Health Study.

  O'Connor, G. T., Lind, B. K., Lee, E. T., Nieto, F. J., Redline, S., Samet, J. M., Boland, L. L., Walsleben, J. A. & Foster, G. L., Feb 1 2003, In: Sleep. 26, 1, p. 74-79 6 p.

  Research output: Contribution to journal › Article › peer-review
  108 Scopus citations

• Variation in the decision to terminate pregnancy in the setting of fetal aneuploidy

  Shaffer, B. L., Caughey, A. B. & Norton, M. E., Aug 1 2006, In: Prenatal Diagnosis. 26, 8, p. 667-671 5 p.

  Research output: Contribution to journal › Article › peer-review
  81 Scopus citations

• Variation in the incidence of uterine leiomyoma among premenopausal women by age and race

  Marshall, L. M., Spiegelman, D., Barbieri, R. L., Goldman, M. B., Manson, J. E., Colditz, G. A., Willett, W. C. & Hunter, D. J., Dec 1997, In: Obstetrics and gynecology. 90, 6, p. 967-973 7 p.

  Research output: Contribution to journal › Article › peer-review
  627 Scopus citations

• Variation in the nulliparous, term, singleton, vertex cesarean delivery rate

  Pasko, D. N., McGee, P., Grobman, W. A., Bailit, J. L., Reddy, U. M., Wapner, R. J., Varner, M. W., Thorp, J. M., Leveno, K. J., Caritis, S. N., Prasad, M., Saade, G., Sorokin, Y., Rouse, D. J., Blackwell, S. C. & Tolosa, J. E., Jun 1 2018, In: Obstetrics and gynecology. 131, 6, p. 1039-1048 10 p.

  Research output: Contribution to journal › Article › peer-review
  12 Scopus citations

• Variation in the quality of lumbar spine MR images in Washington State

  Jarvik, J. G., Robertson, W. D., Wessbecher, F., Reger, K., Solomon, C., Whitten, R., Lumley, T. & Deyo, R. A., 2000, In: RADIOLOGY. 215, 2, p. 483-490 8 p.

  Research output: Contribution to journal › Article › peer-review
  14 Scopus citations

• Variation in the rate of cervical spine surgery in Washington state

  Einstadter, D., Kent, D. L., Fihn, S. D. & Deyo, R. A., Aug 1993, In: Medical care. 31, 8, p. 711-718 8 p.

  Research output: Contribution to journal › Article › peer-review
  33 Scopus citations

• Variation in the type, rate, and selection of patients for out-of-hospital airway procedures among injured children and adults

  Newgard, C. D., Koprowicz, K., Wang, H., Monnig, A., Kerby, J. D., Sears, G. K., Davis, D. P., Bulger, E., Stephens, S. W. & Daya, M. R., Dec 2009, In: Academic Emergency Medicine. 16, 12, p. 1269-1276 8 p.

  Research output: Contribution to journal › Article › peer-review
  15 Scopus citations

• Variation in the Use of Chemoradiotherapy for Stage II and III Anal Cancer: Analysis of the National Cancer Data Base

  Geltzeiler, C. B., Tsikitis, V. L., Kim, J. S., Thomas, C. R., Herzig, D. O. & Lu, K. C., Jul 21 2016, (Accepted/In press) In: Annals of Surgical Oncology. p. 1-7 7 p.

  Research output: Contribution to journal › Article › peer-review
  2 Scopus citations

• Variation in the Use of Vestibular Diagnostic Testing for Patients Presenting to Otolaryngology Clinics with Dizziness

  Piker, E. G., Schulz, K., Parham, K., Vambutas, A., Witsell, D., Tucci, D., Shin, J. J., Pynnonen, M. A., Nguyen-Huynh, A., Crowson, M., Ryan, S. E., Langman, A., Roberts, R., Wolfley, A. & Lee, W. T., Jul 1 2016, In: Otolaryngology - Head and Neck Surgery (United States). 155, 1, p. 42-47 6 p.

  Research output: Contribution to journal › Article › peer-review
  10 Scopus citations