[wicker]

Here's the PARTNER study, which found no HIV transmissions after nearly 900 sero-discordant couples had sex without condoms more than 58,000 times where the HIV-positive partner was using suppressive antiretroviral therapy.

Q&A: http://i-base.info/qa-on-the-partner-study/

Full study: http://jama.jamanetwork.com/article.aspx?articleid=2533066