A comparison of a postal survey and mixed-mode survey using a questionnaire on patients’ experiences with breast care.

Zuidgeest, M., Hendriks, M., Koopman, L., Spreeuwenberg, P., Rademakers, J. A comparison of a postal survey and mixed-mode survey using a questionnaire on patients’ experiences with breast care. Journal of Medical Internet Research: 2011, 13(3), e68