DOI:
10.1055/s-00000128
physioscience
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References
American Association for Public Opinion Research (AAPOR).
Standard definitions: Final Dispositions of Case Codes and Outcome Rates of Surveys.
2016
www.aapor.org/AAPOR_Main/media/publications/Standard-Definitions20169theditionfinal.pdf (15.04.2018)
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