Interpregnancy Interval and Pregnancy Outcomes: Causal or Not?

@article{Klebanoff2017InterpregnancyIA,
  title={Interpregnancy Interval and Pregnancy Outcomes: Causal or Not?},
  author={Mark A Klebanoff},
  journal={Obstetrics and gynecology},
  year={2017},
  volume={129 3},
  pages={
          405-407
        }
}