- Correspondence to Dr Margarete Odenthal, Institute of Pathology, University Hospital of Cologne, Kerpener Str. 62, Koeln 50924, Germany;
- Received January 11, 2017
- Revised February 27, 2017
- Accepted February 28, 2017
- First published April 11, 2017.
Abstract in German
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- Abstract in German - Online abstract
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