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Büttner, Michael; Schlittler, Fabian Lukas; Michel, Chantal; Exadaktylos, Aristomenis; Iizuka, Tateyuki (2014). Is a black eye a useful sign of facial fractures in patients with minor head injuries? A retrospective analysis in a level I trauma centre over 10 years. British journal of oral & maxillofacial surgery, 52(6), pp. 518-522. Elsevier 10.1016/j.bjoms.2014.03.018
