Taking the measure of clinical care.
O'Connor
Gerald T
GT
D015906:Angioplasty, Balloon, Coronary / Q000401:mortality*; D002170:Canada / Q000453:epidemiology; D001026:Coronary Artery Bypass / Q000401:mortality*; D003695:Delivery of Health Care / Q000706:statistics & numerical data; D017052:Hospital Mortality / Q000639:trends; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000379:methods*