title: Cimetidine in chronic urticaria.
mesh_terms: D002908:Chronic Disease; D002927:Cimetidine / Q000627:therapeutic use*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D011969:Receptors, Histamine H1 / Q000187:drug effects; D011970:Receptors, Histamine H2 / Q000187:drug effects; D014581:Urticaria / Q000188:drug therapy*
chemical_list: D006146:Guanidines; D011969:Receptors, Histamine H1; D011970:Receptors, Histamine H2; D002927:Cimetidine