Lichen planus. A clinical study with statistical methods.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001772:Blood Cell Count; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008010:Lichen Planus / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D012621:Seasons; D013548:Sweden