Clinical study of Jiawei Bazhen decoction combined with oxytocin for cervical ripening of qi and blood deficiency type of pregnant women Study of Bazhen decoction on the marrow cell and spleen cell apoptosis of mice exposed to 60Coγ-ray Determination of ferulic acid in Yangxue Danggui Capsules by HPLC Determination of ferulic acid in Yangxue Danggui Capsules by HPLC