title: Mortality differentials by size of place and sex in Pennsylvania for 1960 and 1970.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009026:Mortality; D010414:Pennsylvania; D012424:Rural Population; D014505:Urban Population