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Efficiencies of Internet-Based Digital and Paper-Based Scientific Surveys and the Estimated Costs and Time for Different-Sized Cohorts
Uhlig CE,
Seitz B,
Eter N,
Promesberger J,
Busse H
(2014)
Efficiencies of Internet-Based Digital and Paper-Based Scientific Surveys and the Estimated Costs and Time for Different-Sized Cohorts.
PLOS ONE 9(10): e108441.
https://doi.org/10.1371/journal.pone.0108441