1 .黄国宁,孙海翔主编.体外受精-胚胎移植实验室技术.北京:人民卫生出版社,2012:189-224.Promotion of human early embryonic development and blastocyst outgrowth in vitro using autocrine/paracrine growth factors .Hum Reprod,2013 [ Epub ahead of print].Kova ? i ? B . Culture systems : low-oxyg ......