Self-selection and bias in a large prospective pregnancy cohort in Norway.
Nilsen RM; Vollset SE; Gjessing HK; Skjaerven R; Melve KK; Schreuder P; Alsaker ER; Haug K; Daltveit AK; Magnus P; Paediatric And Perinatal Epidemiology, 2009, vol. 23, issue 6, p 597, ISSN 13653016. ISBN 13653016.

Full Text Resources Located for this Citation

View article on EBSCOhost(Login required)
View article via CrossRef