The Acquired Metabolic Disorders of the Nervous System, Hepatic Stupor and Coma (Hepatic, or Portal-Systemic Encephalopathy)
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Episodic Confusion and Tremor Associated with Extrahepatic Portacaval Shunting in Cirrhotic Liver Disease
Neurol 39:403-405, Russell,D.M.,et al, 1989
Neurologic Manifestations of Chronic Pulmonary Insufficiency
NEJM 257:579-590, Austen,F.K.,et al, 1957