家畜早孕因子是妊娠母体血清中最早出现的一种免疫抑制因子。
Early pregnancy factor (EPF) is an immunity inhibition factor which is the earliest emergence in the serum of pregnant body.
家畜早孕因子是妊娠母体血清中最早出现的一种免疫抑制因子。
Early pregnancy factor (EPF) is an immunity inhibition factor which is the earliest emergence in the serum of pregnant body.
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