Studies in mammary cancer. II. Relation of parity to type and grade of cancer.
D001943:Breast Neoplasms; D005260:Female; D006801:Humans; D009369:Neoplasms; D010298:Parity; D010406:Penicillins / Q000627:therapeutic use*; D011247:Pregnancy
D010406:Penicillins
BREAST/neoplasms; PENICILLIN/therapeutic use; PREGNANCY