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Study on Ovum Pick-up and Fertilization in Vitro on Cows
Huai Yahong,, Xin Xiaoling, Xu Zhaoxue, Shi Qiaoting, Zan Linsen
Chinese Agricultural Science Bulletin . 2005, (5): 41 -41 .  DOI: 10.11924/j.issn.1000-6850.050541