I'm negative, I assumed he was, too : how do you know what you know? How do you know what you know HIV Infections -- prevention & control Homosexuality, Male Green and olive poster with white lettering, illustrated at the top with a field of brown squares. In most of the squares are photographs of naked male torsos, which are positioned in the squares to form an overall design resembling a flower. At the bottom are the URL, logo, and telephone number of Gay Life. [San Francisco, Calif.] : Gay Life, [19--?] Gay Life (Organization : San Francisco, Calif.) San Francisco (Calif.). Department of Public Health. Poster Still image 1 photomechanical print (poster) : 30 x 22 cm. color nlm:nlmuid-101454496-img 101454496 http://resource.nlm.nih.gov/101454496 OCLC: 269431464 IHM: C01381 English This item may be under copyright protection. Please ask copyright owner for permission before publishing.