title: [What is your diagnosis? Hairy tongue (lingua villosa nigra)].
authors.affiliation: Dermatologische Klinik Universitätsspital Zürich. rboeni@derm.unizh.ch
authors.forename: R
authors.initials: R
authors.lastname: Böni
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D014064:Tongue, Hairy / Q000175:diagnosis* / Q000209:etiology