title: Dark discoloration of the tongue.
authors.affiliation: University of Arizona Health Sciences Center, Tucson, USA.
authors.forename: N
authors.initials: N
authors.lastname: Levine
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009910:Oral Hygiene; D014059:Tongue / Q000503:physiopathology*; D014064:Tongue, Hairy / Q000175:diagnosis* / Q000503:physiopathology*