“It wasn’t here, and now it is. It’s everywhere": fentanyl’s rising presence in Oregon’s drug supply

Sarah S. Shin, Kate LaForge, Erin Stack, Justine Pope, Gillian Leichtling, Jessica E. Larsen, Judith M. Leahy, Andrew Seaman, Daniel Hoover, Laura Chisholm, Christopher Blazes, Robin Baker, Mikaela Byers, Katie Branson, P. Todd Korthuis