title: The critical question of procedure volume minimums for coronary angioplasty.
authors.forename: T J
authors.initials: TJ
authors.lastname: Ryan
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000009:adverse effects / Q000706:statistics & numerical data*; D006801:Humans; D010043:Outcome and Process Assessment, Health Care