We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA systematic review of the effect of retention methods in population-based cohort studies.AuthorsBooker CL; Harding S; Benzeval MPublicationBMC public health, 2011, Vol 11, p249ISSN1471-2458Publication typearticleDOI10.1186/1471-2458-11-249