Effects of Shujing Ketong soft capsules on uterine activity of animals Clinical study of Jiawei Bazhen decoction combined with oxytocin for cervical ripening of qi and blood deficiency type of pregnant women Effects of Fufang Xiaojingtong capsules on uterine activity of animals Effects of Danggui Shaoyao Powder on oxytocin-induced in vivo uterine contractions and vasomotor factors of rats