title: Chronic catheterisation of the aorta and umbilical vessels of fetal sheep.
abstract: Methods for cathetersing the fetal aorta and tributaries of the umbilical vessels are described by which daily samples of fetal blood were obtained for up to 53 days and up to 42 days, respectively. This represents a considerable advance on previously reported techniques.
mesh_terms: D000818:Animals; D001011:Aorta; D002404:Catheterization / Q000009:adverse effects / Q000379:methods / Q000662:veterinary*; D005260:Female; D005315:Fetal Diseases / Q000209:etiology / Q000662:veterinary; D005333:Fetus; D005865:Gestational Age; D009181:Mycoses / Q000209:etiology / Q000662:veterinary; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology; D014469:Umbilical Arteries; D014471:Umbilical Veins