| Literature DB >> 21655467 |
Klaus Zöphel, Jörg Kotzerke, Carl-Martin Kirsch.
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Year: 2011 PMID: 21655467 PMCID: PMC3109283 DOI: 10.3238/arztebl.2011.0357a
Source DB: PubMed Journal: Dtsch Arztebl Int ISSN: 1866-0452 Impact factor: 5.594