Tinea nigra palmaris; a disorder easily confused with junction nevus of the palm.

@article{Smith1958TineaNP,
  title={Tinea nigra palmaris; a disorder easily confused with junction nevus of the palm.},
  author={Jennifer G Smith and W. Mitchell Sams and F. J. Roth},
  journal={Journal of the American Medical Association},
  year={1958},
  volume={167 3},
  pages={312-4}
}