The Study on Cattle×Yak in vitro Fertilization and Embryo Transfer
SUN Yong-gang, XU Jing-tao, CAIRANG Dong-zhi, MA Zhi-jie
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2013, (5): 719 -726 .  DOI: 10.11843/j.issn.0366-6964.2013.05.008