[On multiple primary malignant tumors].
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*; D012737:Sex Factors; D012878:Skin Neoplasms / Q000453:epidemiology*; D013274:Stomach Neoplasms / Q000453:epidemiology*
O pervichnomnozhestvennykh zlokachestvennykh opukholiakh.