title: Competition for Viagra.
authors.forename: D
authors.initials: D
authors.lastname: Cutler
mesh_terms: D001058:Apomorphine / Q000627:therapeutic use*; D018491:Dopamine Agonists / Q000627:therapeutic use*; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male
chemical_list: D018491:Dopamine Agonists; D001058:Apomorphine