Progravid phase of the rat reproductive cycle: day to day changes in peripheral plasma progestin concentrations.
D000818:Animals; D001667:Binding, Competitive; D002845:Chromatography; D005260:Female; D007659:Ketones / Q000097:blood; D011278:Pregnanes / Q000097:blood*; D011374:Progesterone / Q000097:blood*; D011555:Pseudopregnancy; D051381:Rats; D013997:Time Factors
D007659:Ketones; D011278:Pregnanes; D011374:Progesterone