1. Project Gel a Randomized Rectal Microbicide Safety and Acceptability Study in Young Men and Transgender Women McGowan, Ian; Cranston, Ross D.; Mayer, Kenneth H.; Febo, Irma; Duffill, Kathryn; Siegel, Aaron; Engstrom, Jarret C.; Nikiforov, Alexyi; Park, Seo-Young; Brand, Rhonda M.; Jacobson, Cindy; Giguere, Rebecca; Dolezal, Curtis L.; Frasca, Timothy Joel; Leu, Cheng Shiun; Schwartz, Jill L.; Carballo-Dieguez, Alex 2016 Articles HIV infections—PreventionTransgender peopleGay men--Sexual behaviorPublic healthMedical sciences