Bliddal, M. ., Liew, Z. ., PottegÄrd, A. ., Kirkegaard, H. ., Olsen, J. ., & Nohr, E. . (2018). Examining Non-Participation to the Maternal Follow-up Within the Danish National Birth Cohort. American Journal of Epidemiology. https://doi.org/10.1093/aje/kwy002 (Original work published 2018)