[Transplacental transport of beta2-stimulant(ritodrine hydrochloride) in sheep in the late stage of pregnancy].
D000818:Animals; D001692:Biological Transport; D005260:Female; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011412:Propanolamines / Q000378:metabolism*; D012312:Ritodrine / Q000378:metabolism*; D012756:Sheep
D011412:Propanolamines; D012312:Ritodrine