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Methyl mercury (MeHg) is highly neurotoxic, affecting visual function in addition to other central nervous system functions. The effect of mercury intoxication on the amplitude of horizontal cell responses to light was studied in the retina of the fish Hoplias malabaricus. Intracellular responses were recorded from horizontal cells of fish previously(More)
Recurrent variceal hemorrhage occurs in 50% to 80% of cirrhotic patients who survive a variceal bleeding episode. The aim of preventing rebleeding is to improve survival by reducing the mortality associated with rebleeding; however, although shunt surgery is the most effective treatment to prevent recurrent bleeding, it does not increase survival and is(More)
When confronting a biliary stricture, both benign and malignant etiologies must be carefully considered as a variety of benign biliary strictures can masquerade as hilar cholangiocarcinoma (CCA). Therefore, patients could undergo a major surgery despite the possibility of a benign biliary disease. Approximately 15% to 24% of patients undergoing surgical(More)
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