title: A case of the blues.
authors.affiliation: Department of Anaesthetics and Critical Care Medicine, Lincoln County Hospital, Lincoln LN2 5QY.
authors.forename: James S
authors.initials: JS
authors.lastname: Dawson
authors.forename: Ed
authors.initials: E
authors.lastname: Cowley
mesh_terms: D006801:Humans; D007267:Injections; D007281:Ink; D008297:Male; D008875:Middle Aged; D010859:Pigmentation Disorders / Q000139:chemically induced; D044967:Serum / Q000737:chemistry*; D012880:Skin Pigmentation; D013406:Suicide, Attempted; D014556:Urine / Q000737:chemistry*