title: Letter: Neurotransmitter metabolism in hepatic encephalopathy.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D006501:Hepatic Encephalopathy / Q000378:metabolism*; D006801:Humans; D018377:Neurotransmitter Agents / Q000378:metabolism*
chemical_list: D018377:Neurotransmitter Agents