How many mailouts? Could attempts to increase the response rate in the Iraq war cohort study be counterproductive?
A Rosemary Tate, Margaret Jones, Lisa Hull, Nicola T Fear, Roberto Rona, Simon Wessely, Matthew HotopfVolume:
7
Language:
english
DOI:
10.1186/1471-2288-7-51
Date:
December, 2007
File:
PDF, 241 KB
english, 2007