title: High-risk medical devices: why do we not better understand effectiveness and safety?
authors.forename: Joseph S
authors.initials: JS
authors.lastname: Ross
mesh_terms: D005260:Female; D006353:Heart-Assist Devices / Q000706:statistics & numerical data*; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000706:statistics & numerical data*; D008297:Male; D009203:Myocardial Infarction / Q000601:surgery*