TY - GEN TI - Oral contraceptives and hormone replacement therapy may protect against colorectal cancer PY - 1997///0304 KW - Biology KW - Contraception KW - Contraceptives, Oral KW - Developed Countries KW - Digestive System KW - Disease KW - Europe KW - Family Planning Services KW - Hormone Replacement Therapy KW - Italy KW - Liver KW - Neoplasms KW - Physiology KW - Research KW - Risk Factors KW - Statistics as Topic KW - Therapeutics N1 - Publication Type: Journal Article ER -