title: [There is a crunch in assessment of non-pharmacological therapy. Controlled trials necessary in refractory angina pectoris].
authors.affiliation: Karolinska Universitetssjukhuset Huddinge, Stockholm.
authors.forename: Andreas
authors.initials: A
authors.lastname: Rück
authors.forename: Christer
authors.initials: C
authors.lastname: Sylvén
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy / Q000628:therapy*; D018849:Controlled Clinical Trials as Topic; D015908:Counterpulsation; D019317:Evidence-Based Medicine; D006801:Humans; D053685:Laser Therapy; D015990:Placebo Effect; D016896:Treatment Outcome