DOI:
10.1055/s-00000022
Das Gesundheitswesen
LinksClose Window
References
Hoffman SC, Burke AE, Helzlsouer KJ. et al.
Controlled trial of the effect of length, incentives, and follow-up techniques on response to a mailed questionnaire.
Am J Epidemiol 1998; 148: 1007-1011
We do not assume any responsibility for the contents of the web pages of other providers.