DOI:
10.1055/s-00000022
Das Gesundheitswesen
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References
American Association for Public Opinion Research (AAPOR).
Standard definitions: final dispositions of case codes and outcome rates for surveys (revised 2011).
Im Internet
http://www.aapor.org/AM/Template.cfm?Section=Standard_Definitions2&Template=/CM/ContentDisplay.cfm&ContentID=3156 Stand: 03.12.2013
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