title: Clinical trials and clinical practice.
authors.forename: R M
authors.initials: RM
authors.lastname: Norris
authors.forename: S
authors.initials: S
authors.lastname: Roy
authors.forename: G F
authors.initials: GF
authors.lastname: Dixon
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*; D010818:Practice Patterns, Physicians'; D015912:Thrombolytic Therapy / Q000706:statistics & numerical data*