Browse by Uncontrolled Keywords
Jump to: 2007
Number of items: 1.
2007
Edwards, P;
Roberts, I;
Clarke, M;
Diguiseppi, C;
Pratap, S;
Wentz, R;
Kwan, I;
Cooper, R;
(2007)
Methods to increase response rates to postal questionnaires.
The Cochrane database of systematic reviews (2).
ISSN 1469-493X
DOI: https://doi.org/10.1002/14651858.CD002214.pub3