Occurrence of lichen planus in a family. Genetic susceptibility or coincidence?
D000328:Adult; D004198:Disease Susceptibility; D005260:Female; D006650:Histocompatibility Testing; D006801:Humans; D008010:Lichen Planus / Q000235:genetics*; D008297:Male; D008875:Middle Aged; D010375:Pedigree