https://www.iozk.de/wp-content/uploads/2019/03/Logo-header560x120.svg001994-04-01 / Biol Trace Elem Res 1994 Apr-May;41(1-2):115-27https://www.iozk.de/wp-content/uploads/2019/03/Logo-header560x120.svg1994-04-01 / Biol Trace Elem Res 1994 Apr-May;41(1-2):115-271994-04-01 00:00:001994-04-01 00:00:00Supplementation with selenium and human immune cell functions. II. Effect on cytotoxic lymphocytes and natural killer cells