title: A case for diagnosis (pigmentation of lip and buccal mucosa).
authors.forename: J C
authors.initials: JC
authors.lastname: GRAHAM
mesh_terms: D005767:Gastrointestinal Diseases; D006801:Humans; D017495:Hyperpigmentation; D008046:Lip; D009061:Mouth Mucosa; D010858:Pigmentation; D010859:Pigmentation Disorders