TY - JOUR AU - McManus, D D; Nguyen, H L; Saczynski, J S; Tisminetzky, M; Bourell, P; Goldberg, R J TI - Multiple cardiovascular comorbidities and acute myocardial infarction: temporal trends (1990-2007) and impact on death rates at 30 days and 1 year JO - Clin Epidemiol VL - 4 PY - 2012 SP - 115 EP - 123 ER -