A prenotification letter increased initial response, whereas sender did not affect response rates
Koopman, Laura, Donselaar, Lea (C) G., Rademakers, Jany J., Hendriks, MichelleVolume:
66
Language:
english
Journal:
Journal of Clinical Epidemiology
DOI:
10.1016/j.jclinepi.2012.09.012
Date:
March, 2013
File:
PDF, 312 KB
english, 2013