[ON THE PROBLEMS OF TUMORS IN CHILDHOOD].
D000293:Adolescent; D001699:Biometry; D002648:Child; D003604:Czechoslovakia; D006801:Humans; D007223:Infant; D009369:Neoplasms / Q000453:epidemiology*
ADOLESCENCE; CHILD; CZECHOSLOVAKIA; INFANT; NEOPLASM STATISTICS; NEOPLASMS
ZUR PROBLEMATIK DER GESCHWUELSTE IM KINDESALTER.