Study invitations with envelopes made from recycled paper do not increase likelihood of active responses or study participation in the German National Cohort
Langeheine, Malte, Pohlabeln, Hermann, Ahrens, Wolfgang, Günther, Kathrin, Rach, StefanVolume:
12
Language:
english
Journal:
BMC Research Notes
DOI:
10.1186/s13104-019-4510-y
Date:
December, 2019
File:
PDF, 692 KB
english, 2019