Comparison of sample characteristics in two pregnancy cohorts: community-based versus population-based recruitment methods

Leung, BrendaMcDonald, Sheila W.Kaplan, Bonnie J.Giesbrecht, Gerald F.Tough, Suzanne C.2014-07-092014-07-092013-12-06Leung et al.: Comparison of sample characteristics in two pregnancy cohorts: community-based versus population-based recruitment methods. BMC Medical Research Methodology 2013 13:149. doi:10.1186/1471-2288-13-149http://hdl.handle.net/1880/50145Article deposited according to publisher policies: http://www.biomedcentral.com/about/copyright [July 9, 2014]engAttribution 4.0 InternationalComparison of sample characteristics in two pregnancy cohorts: community-based versus population-based recruitment methodsjournal article10.11575/PRISM/33561