并列题名：Manual of Obstetrics Manual of Obstetrics 并列题名：Manual of physics 并列题名：Cardio-obstetrics 并列题名：Manual of obstetric emergencies 并列题名：Critical care of obstetrics 并列题名：Critical care obstetrics 并列题名：Basis of econometrics 并列题名：Gynecology & Obstetrics 并列题名：Hot spots in obstetrics