本文报道由孕妇尿中直接提取人绒毛膜促性腺激素精品的新方法。

This paper reports the method of preparing purified human chorionic gonadotropin from pregnancy urine directly.

youdao

本文报道由孕妇尿中直接提取人绒毛膜促性腺激素精品的新方法。

This paper reports the method of preparing purified human chorionic gonadotropin from pregnancy urine directly.

youdao