TY - BOOK AU - Linda J. Heffner , Michelle P. Warren. TI - Clinical Obstetrics and Gynecology: Cesarean Delivery on Demand : Hormone Therapy SN - 0009-920 PY - 2004/// CY - John F. Kennedy , Philadelphia , Pennsylvania, 19103 - 2899 PB - W.B Saunders KW - Obstetrics and Gynecology N1 - Volume: 47 Number: 2 2004 ER -