AIDS Education and Prevention
December, Vol. 23, No. 6 : pp. 508-520
Rowniak S, Chesla C, Rose CD, Holzemer WL.
http://www.ncbi.nlm.nih.gov/pubmed/22201235


Many female-to-male transgender individuals, or transmen, are situated within the gay community, one of the highest risk communities for HIV, yet there has been little research regarding the experience of risk for these transmen.

[edit - just realized I'd posted the whole abstract, so I've removed most of it. The link will take you to it, and you can visit a library for access to the full text. ]