I'm negative. I assumed he was too : how do you know what you know? / Gay Life, San Francisco AIDS Foundation ; funded in part by the San Francisco Department of Public Health.

Date:
[between 1998 and 2005?]

Licence: In copyright

Credit: I'm negative. I assumed he was too : how do you know what you know? / Gay Life, San Francisco AIDS Foundation ; funded in part by the San Francisco Department of Public Health. Source: Wellcome Collection.