Progesterone in systemic blood and placentae of intact and ovariectomized pregnant guinea-pigs.
D000818:Animals; D001769:Blood; D002247:Carbon Isotopes; D002369:Castration; D005260:Female; D005453:Fluorescence; D006168:Guinea Pigs; D066298:In Vitro Techniques; D010920:Placenta; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone
D002247:Carbon Isotopes; D011374:Progesterone