Beyrer Chris, Pozniak Anton
From the Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore (C.B.); and the Department of Genitourinary Medicine and HIV, Chelsea and Westminster Hospital, London (A.P.).
N Engl J Med. 2017 Oct 26;377(17):1605-1607. doi: 10.1056/NEJMp1710608.