title: Prevention. AIDS group sues Pfizer over Viagra ads for 'off label' uses.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome; D000329:Advertising / Q000331:legislation & jurisprudence; D004345:Drug Industry / Q000331:legislation & jurisprudence*; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006266:Health Education; D018451:Homosexuality, Male; D006801:Humans; D015141:Los Angeles; D008297:Male; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines / Q000627:therapeutic use; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000627:therapeutic use*
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate