Acetyl L carnitine improves cognitive functions in severe hepatic encephalopathy: a randomized and controlled clinical trial Metabolic Brain Disease Springer Nature Link Acetyl L carnitine improves cognitive functions in severe hepatic encephalopathy: a randomized and controlled clinical trial Metabolic Brain Disease Springer Nature Link Comparative Efficacy of Treatment Options for Minimal Hepatic Encephalopathy: A Systematic Review and Network Meta Analysis Clinical Gastroenterology and Hepatology Covert Hepatic Encephalopathy: Not as Minimal as You Might Think Clinical Gastroenterology and Hepatology Impaired brain function improved by l carnitine in patients with cirrhosis: evaluation using near infrared spectroscopy Scientific Reports