Perineal groove: a report of 2 cases.

@article{Diaz2014PerinealGA,
  title={Perineal groove: a report of 2 cases.},
  author={Lucia Z. Diaz and Moise L. Levy and Andrew H Kalajian and Denise W. Metry},
  journal={JAMA dermatology},
  year={2014},
  volume={150 1},
  pages={101-2}
}