Role of progesterone in inhibition of muscle tone and respiratory rhythm in foetal lambs.
D000818:Animals; D005260:Female; D005333:Fetus / Q000187:drug effects; D009132:Muscles / Q000187:drug effects*; D010920:Placenta / Q000187:drug effects; D011374:Progesterone / Q000494:pharmacology*; D012119:Respiration / Q000187:drug effects*; D012756:Sheep
D011374:Progesterone