Lichen planus: failure to cultivate viruses or mycoplasma.
D000328:Adult; D000650:Amnion / Q000166:cytology; D000818:Animals; D001706:Biopsy; D003168:Complement Fixation Tests; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D005260:Female; D000882:Haplorhini; D006801:Humans; D007668:Kidney / Q000166:cytology; D008010:Lichen Planus / Q000382:microbiology*; D008297:Male; D008875:Middle Aged; D009174:Mycoplasma / Q000302:isolation & purification*; D014776:Virus Cultivation; D014780:Viruses / Q000302:isolation & purification*