New surgical technique for studying placental transfer of drugs in vivo.
D000653:Amniotic Fluid; D000818:Animals; D002404:Catheterization; D005260:Female; D005318:Fetal Heart; D007275:Injections, Intravenous; D007601:Jugular Veins; D008431:Maternal-Fetal Exchange; D008722:Methods; D004364:Pharmaceutical Preparations / Q000378:metabolism*; D010920:Placenta; D011247:Pregnancy; D012459:Salicylates / Q000378:metabolism; D012756:Sheep
D004364:Pharmaceutical Preparations; D012459:Salicylates