TY  - RPRT
TI  - Hyperkeratosis nigricans.
AU  - B Sina
AU  - C S Samorodin
PY  - 1992
DO  - 10.1111/j.1365-4362.1992.tb02709.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1500252/
ID  - 1500252
ER  -