Genetic Variation in GDF9 and BMP15 Genes and Their Relationships with Twinning Trait in Cattle
ZHANG Lu-pei;ZHANG Xiao-hui;XU Shang-zhong;GAO Xue;REN Hong-yan;CHEN Jin-bao
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2007, (8): 800 -805 .