[Morbidity among children during their first 7 years in a large city (data from Leningrad)].
D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009017:Morbidity; D012426:Russia; D014505:Urban Population
Zabolevaemost' deteĭ pervykh 7 let zhizni v usloviiakh krupnogo goroda (po materialam Leningrada).