title: Appropriateness studies.
authors.forename: R E
authors.initials: RE
authors.lastname: Park
authors.forename: R H
authors.initials: RH
authors.lastname: Brook
mesh_terms: D015982:Bias; D001026:Coronary Artery Bypass / Q000706:statistics & numerical data; D006300:Health Services Misuse / Q000706:statistics & numerical data*; D006801:Humans