Landovitz RJ, Beymer M, Kofron R, Amico KR, Psaros C, Bushman L, Anderson PL, Flynn R, Lee DP, Bolan RK, Jordan WC, Tseng CH, Dierst-Davies R, Rooney J, Wohl AR. Plasma Tenofovir Levels to Support Adherence to TDF/FTC Preexposure Prophylaxis for HIV Prevention in MSM in Los Angeles, California. J Acquir Immune Defic Syndr. 2017 12 15; 76(5):501-511.