Randomized trial showed requesting medical records with a survey produced a more representative sample than requesting separately
Melissa R. Partin, Diana J. Burgess, Krysten Halek, Joseph Grill, Sally W. Vernon, Deborah A. Fisher, Joan M. Griffin, Maureen MurdochVolume:
61
Year:
2008
Language:
english
DOI:
10.1016/j.jclinepi.2007.11.015
File:
PDF, 198 KB
english, 2008