title: Potential pitfalls of meta-analyses of observational studies in cardiovascular research.
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Biondi-Zoccai
authors.forename: Pierfrancesco
authors.initials: P
authors.lastname: Agostoni
authors.forename: Antonio
authors.initials: A
authors.lastname: Abbate
authors.forename: Fabrizio
authors.initials: F
authors.lastname: D'Ascenzo
authors.forename: Maria Grazia
authors.initials: MG
authors.lastname: Modena
mesh_terms: D015906:Angioplasty, Balloon, Coronary; D003331:Coronary Vessels / Q000473:pathology*; D004562:Electrocardiography; D006801:Humans; D009203:Myocardial Infarction / Q000628:therapy*