Project Gel a Randomized Rectal Microbicide Safety and Acceptability Study in Young Men and Transgender Women. oleh Ian McGowan, Ross D Cranston, Kenneth H Mayer, Irma Febo, Kathryn Duffill, Aaron Siegel, Jarret C Engstrom, Alexyi Nikiforov, Seo-Young Park, Rhonda M Brand, Cindy Jacobson, Rebecca Giguere, Curtis Dolezal, Timothy Frasca, Cheng-Shiun Leu, Jill L Schwartz, Alex Carballo-Diéguez