Hatami, B.; Payvandi, D.; Abbasinazari, M.; Sadatsafavi, S.-M. Melatonin Versus Zinc for Sleep Disorders in Cirrhotic Patients: A Randomized Double-Blind Pilot Trial: Melatonin or Zinc in Sleep Disorders of Cirrhosis. Iran J Pharm Sci 2026, 22, 25-30.