Major problems in obstetrics and gynecology ; Progress in obstetrics and gynecology Progress in obstetrics and gynaecology. Case files :: obstetrics and gynecology / Manual of clinical problems in obstetrics and gynecology / Manual of clinical problems in obstetrics and gynecology : Advances in obstetrics and gynecology. Developments in obstetrics and gynecology ; Infections in obstetrics and gynecology / Ultrasonics on obstetrics and gynecology