The differential requirement of albumin and sodium citrate on the development of in vitro produced bovine embryos Li-Ying Sung, Fuliang Du, Jie Xu, Wancun Chang, Tshimangadzo Lucky Nedambale, Jiaxin Zhang, Shie Jiang, X. Cindy Tian and Xiangzhong Yang Reprod. Nutr. Dev., 44 6 (2004) 551-564 DOI: 10.1051/rnd:2004061