The origin of the pheromones causing pregnancy block in mice.
D000728:Androgens / Q000494:pharmacology*; D000818:Animals; D002369:Castration; D010064:Embryo Implantation; D005260:Female; D051379:Mice; D011247:Pregnancy; D011270:Pregnancy, Animal; D012098:Reproduction / Q000502:physiology; D014556:Urine
D000728:Androgens