Preparturient changes in the pH of urine from chronically catheterized foetal sheep.
D000818:Animals; D005260:Female; D005333:Fetus / Q000502:physiology*; D005865:Gestational Age; D006863:Hydrogen-Ion Concentration; D008297:Male; D011247:Pregnancy; D012756:Sheep / Q000502:physiology*; D014427:Twins; D014546:Urinary Catheterization / Q000662:veterinary; D014556:Urine