title: Effect of norepinephrine on the ovine umbilical circulation.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D005260:Female; D007668:Kidney / Q000098:blood supply; D009638:Norepinephrine / Q000494:pharmacology*; D010920:Placenta / Q000098:blood supply*; D011247:Pregnancy; D011941:Receptors, Adrenergic; D012039:Regional Blood Flow / Q000187:drug effects; D012756:Sheep; D014599:Uterus / Q000098:blood supply; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D011941:Receptors, Adrenergic; D009638:Norepinephrine