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Comparison of sample characteristics in two pregnancy cohorts: community-based versus population-based recruitment methods
Leung, Brenda MY, McDonald, Sheila W, Kaplan, Bonnie J, Giesbrecht, Gerald F, Tough, Suzanne CVolume:
13
Language:
english
Journal:
BMC Medical Research Methodology
DOI:
10.1186/1471-2288-13-149
Date:
December, 2013
File:
PDF, 191 KB
english, 2013