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Correspondence
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Dtsch Arztebl Int 2014; 111(3): 39. DOI: 10.3238/arztebl.2014.0039a
Clinical Practice Guideline
Classification, Diagnosis, and Treatment
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Original article
Dtsch Arztebl Int 2008; 105(24): 441-0. DOI: 10.3238/arztebl.2008.0441
