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APA Citation
Wise, L. A., Rothman, K. J., Mikkelsen, E. M., Stanford, J. B., Wesselink, A. K., McKinnon, C., Gruschow, S. M., Horgan, C. E., Wiley, A. S., Hahn, K. A., Sørensen, H. T., & Hatch, E. E. (2015). design and Conduct of an Internet‐Based Preconception Cohort Study in North America: Pregnancy Study Online. Paediatric and perinatal epidemiology, 29(4), 360–371. http://access.bl.uk/ark:/81055/vdc_100025939512.0x00004f