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Ekholm, O.

Name:Ekholm, O.

Send email to: Ekholm, O.

More information:

Ola Ekholm
National Institute of Public Health, Denmark

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Web survey bibliography

The effect of multiple reminders on response patterns...; 2015; Christensen, A. I.; Ekholm, O.; Kristensen, P. L.;...
Effect of survey mode on response patterns: comparison...; 2013; Illemann Christensen, A., Ekholm, O., Gluemer, C.,...