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外文期刊>Journal of Animal Science
>Concentrations of progesterone, estrogen, and insulin in serum during early pregnancy in crossbred Angus beef heifersConcentrations of progesterone, estrogen, and insulin in serum during early pregnancy in crossbred Angus beef heifers
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Concentrations of progesterone, estrogen, and insulin in serum during early pregnancy in crossbred Angus beef heifersConcentrations of progesterone, estrogen, and insulin in serum during early pregnancy in crossbred Angus beef heifers