title: Safety of placebo-controlled trials in vasospastic angina.
authors.forename: S
authors.initials: S
authors.lastname: Savonitto
authors.forename: D
authors.initials: D
authors.lastname: Ardissino
mesh_terms: D017311:Amlodipine / Q000627:therapeutic use*; D000788:Angina Pectoris, Variant / Q000188:drug therapy*; D004311:Double-Blind Method; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012449:Safety
chemical_list: D017311:Amlodipine