Unruptured primary ovarian pregnancy.

@article{Bossert1955UnrupturedPO,
  title={Unruptured primary ovarian pregnancy.},
  author={L J Bossert and Glen B. Haydon and Robert Coith and E. L. Tioseco},
  journal={American journal of obstetrics and gynecology},
  year={1955},
  volume={69 6},
  pages={
          1367-8
        }
}

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