A two-decades (1975 to 1995) long experience in the incidence, in-hospital and long-term casefatality rates of acute myocardial infarction: a community-wide perspective
Robert J. Goldberg, PhDa,
Jorge Yarzebski, MD, MPHa,
Darleen Lessard, MSa and
Joel M. Gore, MD, FACCa
a Department of Medicine, Division of Cardiovascular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA

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Figure 1 Temporal trends in the age-adjusted incidence rates of initial acute myocardial infarction: Worcester Heart Attack Study.
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Figure 2 Temporal trends in long-term survival of patients discharged from the hospital following initial acute myocardial infarction: Worcester Heart Attack Study.
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