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by Hegger, Manfred; Drexler, Hans; Zeumer, Martin
by Drexler, Hans; El Khouli, Sebastian
by Hubert, Kurt; Pohlenz, Max; Drexler, Hans
by Borges, Sofia; Drexler, Hans
by Dömer, Klaus; Drexler, Hans; Schultz-granberg, Joachim
by Editor: Hans Drexler (Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area, Erlangen, Germany); Editor: Helmut Greim (Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area, Fr
by Drexler, Hans; Greim, Helmut