Mice were fed methylmercury (10nmol/g feed) and selenite (0,8,20 or 50nmol/ml drinking water) for one or two weeks. Doses of selenite and duration of feeding were determining factors of total mercury and inorganic mercury concentrations in organs.Increasing the dose of selenite produced the following results: concentration of total mercury in creased in the brain and liver and decreased in the blood, kidneys and spleen; concentration of inorganic mercury increased in the liver and spleen, decreased in the kidneys, and remained unchanged in the brain; the rate of inorganic mercury to total mercury increased in the liver and spleen, decreased in the brain, and remained unchanged in the kidneys. In every case, inorganic mercury in the blood was below the detection limit.

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Histological and cytological diagnosis of pancreatic cancer by percutaneous aspiration biopsy under ultrasonic