Willis, Sydney K., Hatch, Elizabeth E., Wesselink, Amelia K., Rothman, Kenneth J., Mikkelsen, Ellen M., Ahrens, Katherine A., and Wise, Lauren A. Post‐partum interval and time to pregnancy in a prospective preconception cohort. Retrieved from https://par.nsf.gov/biblio/10304022. Paediatric and Perinatal Epidemiology 35.3 Web. doi:10.1111/ppe.12702.

Willis, Sydney K., Hatch, Elizabeth E., Wesselink, Amelia K., Rothman, Kenneth J., Mikkelsen, Ellen M., Ahrens, Katherine A., & Wise, Lauren A. Post‐partum interval and time to pregnancy in a prospective preconception cohort. Paediatric and Perinatal Epidemiology, 35 (3). Retrieved from https://par.nsf.gov/biblio/10304022. https://doi.org/10.1111/ppe.12702

Willis, Sydney K., Hatch, Elizabeth E., Wesselink, Amelia K., Rothman, Kenneth J., Mikkelsen, Ellen M., Ahrens, Katherine A., and Wise, Lauren A. "Post‐partum interval and time to pregnancy in a prospective preconception cohort". Paediatric and Perinatal Epidemiology 35 (3). Country unknown/Code not available. https://doi.org/10.1111/ppe.12702. https://par.nsf.gov/biblio/10304022.

@article{osti_10304022,
place = {Country unknown/Code not available}, title = {Post‐partum interval and time to pregnancy in a prospective preconception cohort}, url = {https://par.nsf.gov/biblio/10304022}, DOI = {10.1111/ppe.12702}, abstractNote = {}, journal = {Paediatric and Perinatal Epidemiology}, volume = {35}, number = {3}, author = {Willis, Sydney K. and Hatch, Elizabeth E. and Wesselink, Amelia K. and Rothman, Kenneth J. and Mikkelsen, Ellen M. and Ahrens, Katherine A. and Wise, Lauren A.}, }