Exposure Analysis Methods Impact Associations between Maternal Physical Activity and Cesarean Delivery

Marit L. Bovbjerg, Anna Maria Siega-Riz, Kelly R. Evenson, William Goodnight
2015 Journal of Physical Activity and Health  
doi:10.1123/jpah.12.1.37 fatcat:7tnm4eshqree7ak5hyhzrkmway