Oral acanthosis nigricans, the sign of Leser-Trélat and cholangiocarcinoma.

@article{Scully2001OralAN,
  title={Oral acanthosis nigricans, the sign of Leser-Tr{\'e}lat and cholangiocarcinoma.},
  author={Crisojan Scully and William A. Barrett and Jeremy J H Gilkes and Myrddin Rees and Moya Sarner and R J Southcott},
  journal={The British journal of dermatology},
  year={2001},
  volume={145 3},
  pages={506-7}
}