title: [The "humoral mechanism": a factor in the pathogenesis of portal hypertension].
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D004285:Dogs; D004298:Dopamine / Q000494:pharmacology; D006975:Hypertension, Portal / Q000209:etiology*; D018377:Neurotransmitter Agents / Q000502:physiology*; D009638:Norepinephrine / Q000494:pharmacology; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D018377:Neurotransmitter Agents; D004298:Dopamine; D009638:Norepinephrine