[1]刘显义,陈发菊,宋雪华,郭大智,张永乐.测定毛中孕酮进行乳牛早孕诊断的研究[J].核技术,1991(08):509-512.

Liu Xianyi Chen Faju Song Xuehua Guo Dazhi. Early pregnancy diagnosis of dairy cows by hair progesterone analysis[J]. Nuclear techniques, 1991, (8): 509-512.

[1]刘显义,陈发菊,宋雪华,郭大智,张永乐.测定毛中孕酮进行乳牛早孕诊断的研究[J].核技术,1991(08):509-512. DOI：

Liu Xianyi Chen Faju Song Xuehua Guo Dazhi. Early pregnancy diagnosis of dairy cows by hair progesterone analysis[J]. Nuclear techniques, 1991, (8): 509-512. DOI：