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Estimates (solid line) of age, birth cohort, and period effects on acute myocardial infarction mortality in Korean men (A, B) and women (C, D) with 95% confidence intervals (dashed line). Age effects are expressed as rate ratios relative to age 50-54 yr, cohort effects are expressed as rate ratios relative to the 1948 and 1953 birth cohorts, and period effects are expressed as rate ratios relative to the period 1998-2002.
