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Open Access Pre-publication history

Demographic and occupational predictors of early response to a mailed invitation to enroll in a longitudinal health study

Jean-Paul Chretien, Laura K Chu, Tyler C Smith*, Besa Smith, Margaret AK Ryan and the Millennium Cohort Study Team

BMC Medical Research Methodology 2007, 7:6  doi:10.1186/1471-2288-7-6

There is no prepublication history for this article