Stephan Letzel

发表

Britta Geissler, Axel Muttray, Martin Golz, 2013, International journal of occupational medicine and environmental health.

Stephan Letzel, Bernd Rossbach, Peter Kegel, 2016, Journal of Exposure Science and Environmental Epidemiology.

Stephan Letzel, B. Willershausen, S. Letzel, 2014, Head & Face Medicine.

Stephan Letzel, Kurt Ulm, Ulrich Hoffmann, 2013, American journal of industrial medicine.

Britta Geissler, Axel Muttray, Hans Jürgen Ottersbach, 2015, Behavior research methods.