title: Defining adverse events.
authors.forename: Donald J
authors.initials: DJ
authors.lastname: Hagler
mesh_terms: D006328:Cardiac Catheterization / Q000009:adverse effects* / Q000706:statistics & numerical data; D002648:Child; D006330:Heart Defects, Congenital / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D011785:Quality Assurance, Health Care