[Enzyme histochemical studies of mammary tumors].
D000293:Adolescent; D000328:Adult; D000368:Aged; D001941:Breast Diseases / Q000201:enzymology*; D001943:Breast Neoplasms / Q000201:enzymology*; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D008408:Mastectomy; D008875:Middle Aged