TY - GEN AU - Crawford,F E AU - Back,D J AU - Orme,M L AU - Breckenridge,A M TI - [Oral contraceptive steroid plasma concentrations in smokers and non-smokers (author's transl)] SN - 0301-861X PY - 1982///0608 KW - Age Factors KW - Behavior KW - Biology KW - Body Weight KW - Cardiovascular System KW - Contraception KW - Contraceptives, Oral KW - Family Planning Services KW - Health Planning KW - Patient Acceptance of Health Care KW - Physiology KW - Research KW - Smoking N1 - Publication Type: English Abstract; Journal Article ER -