title: Prevalence of IHD in an urban population of males aged 50-54 years.
mesh_terms: D000367:Age Factors; D001161:Arteriosclerosis; D003327:Coronary Disease / Q000453:epidemiology*; D003604:Czechoslovakia; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors