title: Dermacase. Can you identify this condition? Black hairy tongue.
authors.affiliation: University of British Columbia, Vancouver.
authors.forename: Peng
authors.initials: P
authors.lastname: Yan
authors.forename: Nisha
authors.initials: N
authors.lastname: Mistry
authors.forename: Sheila
authors.initials: S
authors.lastname: Au
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D014064:Tongue, Hairy / Q000175:diagnosis* / Q000628:therapy