title: Investigation of the portal circulation via the umbilical vein.
mesh_terms: D000136:Acid-Base Equilibrium / Q000187:drug effects; D001794:Blood Pressure / Q000187:drug effects; D002404:Catheterization; D002758:Cholangiography; D002779:Cholestasis / Q000000981:diagnostic imaging; D006801:Humans; D008102:Liver Circulation; D010100:Oxygen; D010313:Partial Pressure; D010656:Phenylephrine / Q000494:pharmacology; D011168:Portal System / Q000187:drug effects; D014471:Umbilical Veins; D014667:Vasopressins / Q000494:pharmacology
chemical_list: D014667:Vasopressins; D010656:Phenylephrine; D010100:Oxygen