title: Randomized trials are also essential for device therapy.
authors.forename: Andreas
authors.initials: A
authors.lastname: Rück
authors.forename: Christer
authors.initials: C
authors.lastname: Sylvén
mesh_terms: D000787:Angina Pectoris / Q000628:therapy*; D015908:Counterpulsation; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D016896:Treatment Outcome