title: Coronary heart disease: then and now.
mesh_terms: D000328:Adult; D000368:Aged; D001161:Arteriosclerosis / Q000453:epidemiology; D003327:Coronary Disease / Q000175:diagnosis / Q000453:epidemiology / Q000266:history; D003937:Diagnosis, Differential; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008875:Middle Aged; D014481:United States