- University of Louisville
- University of Pennsylvania
External person
- University of Louisville
- Lockheed Martin
External person
- University of Pennsylvania
External person
- University of Louisville
- United States Environmental Protection Agency
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- National and Kapodistrian University of Athens
External person
- University of Pennsylvania
- Department of Microbiology
- Department of Microbiology
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- The University of Hong Kong
External person
- Ministry of Health, Kuwait
External person
- National and Kapodistrian University of Athens
External person
- Private Practice
- University of Pennsylvania
External person
- University of Pennsylvania
External person
- University of Glasgow
- University of Louisville
External person
- University of Louisville
- Hiroshima University
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- University of Pennsylvania
External person
- University of Pennsylvania
External person
- University of Pennsylvania
External person
- State University of New York at Buffalo
- Stt. Univ. of New York at Buffalo
- SUNY Buffalo
- Department of Oral Biology
- Depts. Periodontol. and Oral Biol.
- Department of Oral Biology
External person
- University of Pennsylvania
External person
- University of Pennsylvania
External person