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Dtsch Arztebl Int. 2012 Apr;109(15):267-9. doi: 10.3238/arztebl.2012.0267. Epub 2012 Apr 13.

Impact factor--a useful tool, but not for all purposes.

PMID:
22567061
PMCID:
PMC3345343
DOI:
10.3238/arztebl.2012.0267
[Indexed for MEDLINE]
Free PMC Article

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