TY - BOOK AU - Benson,Ralph C.(Ralph Criswell),1911- TI - Current obstetric & gynecologic diagnosis & treatment SN - 0870412132 PY - 1982/// CY - Los Altos, Calif. PB - Lange Medical Publications KW - Gynecology KW - Obstetrics KW - Gynecologic diseases KW - Diagnosis KW - Therapy ER -