title: Reader's response to "there have been inadequate warnings that erectile dysfunction drugs can cause blindness".
authors.forename: Robert L
authors.initials: RL
authors.lastname: Stone
mesh_terms: D001766:Blindness / Q000139:chemically induced*; D002318:Cardiovascular Diseases / Q000188:drug therapy; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D018917:Optic Neuropathy, Ischemic / Q000139:chemically induced*; D012307:Risk Factors