Grund, W.Schneider, W. D.Wiesener, W.2007-06-202007-06-202007-06-20198010.1007/BF02533803https://infoscience.epfl.ch/handle/20.500.14299/8796Manganese Content of Hair - Criteria for Evaluation of Exposure to Risks in Weldingtext::journal::journal article::research article