Chahal et al. Respond to "Physical Exertion and Placental Abruption: Public Health Implications and Future Directions".

@article{Chahal2018ChahalEA,
  title={Chahal et al. Respond to "Physical Exertion and Placental Abruption: Public Health Implications and Future Directions".},
  author={Harpreet S. Chahal and Bizu Gelaye and Michelle A. Williams},
  journal={American journal of epidemiology},
  year={2018}
}