Proceedings: Measurement of concentrations of progesterone in fat-free cows' milk: its potential value in studies of reproduction.
D000818:Animals; D002417:Cattle; D005260:Female; D008055:Lipids / Q000032:analysis*; D008892:Milk / Q000032:analysis*; D011374:Progesterone / Q000032:analysis*
D008055:Lipids; D011374:Progesterone