TY - BOOK AU - Pernoll,Martin L. AU - Benson,Ralph C.(Ralph Criswell),1911- TI - Current obstetric & gynecologic diagnosis & treatment 1987 SN - 083851412X PY - 1987/// CY - Los Altos, Calif. PB - Appleton & Lange KW - Gynecologic diseases KW - Obstetrics ER -