DOI:
10.1055/s-00000022
Das Gesundheitswesen
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References
von Elm E, Altman DG, Egger M. et al.
STROBE Initiative. The Strengthening the Reporting of Observational Studies in
Epidemiology (STROBE) statement: guidelines for reporting observational
studies.
Epidemiology 2007;
18: 800-804
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