By Muttray A.   Haxel B.   Mann W.   Letzel S.   in HNO

ISSN:0017-6192|54|11|883-887

Springer Publishing Company ‎(2006)‎

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By Ochsmann E.   Rüger H.   Letzel S.   Kraus T.   Münster E.   in Trauma und Berufskrankheit

ISSN:1436-6274|10|4|272-278

Springer Publishing Company ‎(2008)‎

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By Voelter-Mahlknecht S.   Scheriau R.   Zwahr G.   Koch B.   Escobar Pinzon L.   Drexler H.   Letzel S.   in International Archives of Occupational and Environmental Health

ISSN:0340-0131|80|6|485-495

Springer Publishing Company ‎(2007)‎

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By Kiesswetter E.   Schäper M.   Buchta M.   Schaller K.   Rossbach B.   Scherhag H.   Zschiesche W.   Letzel S.   in International Archives of Occupational and Environmental Health

ISSN:0340-0131|81|1|41-67

Springer Publishing Company ‎(2007)‎

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By Kiesswetter Ernst   Schäper M.   Buchta M.   Schaller K.   Rossbach B.   Kraus T.   Letzel S.   in International Archives of Occupational and Environmental Health

ISSN:0340-0131|82|10|1191-1210

Springer Publishing Company ‎(2009)‎

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By Voelter-Mahlknecht S.   Krummenauer F.   Koulele D.   Mahlknecht U.   Escobar Pinzón L.   Dupuis¹ H.   Letzel S.   in International Archives of Occupational and Environmental Health

ISSN:0340-0131|79|5|427-432

Springer Publishing Company ‎(2006)‎

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By Voelter-Mahlknecht S.   Pritsch M.   Gigic B.   Langer P.   Loeffler K. I.   Dupuis H.   Letzel S.   in Disability and Rehabilitation

ISSN:1464-5165|30|14|999-1013

Informa Healthcare‎(2008)‎

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