title: Testing your diagnostic skills. Case no. 2: melanotic macule.
authors.forename: Ron
authors.initials: R
authors.lastname: Baughman
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D005882:Gingival Diseases / Q000175:diagnosis*; D006801:Humans; D008548:Melanosis / Q000175:diagnosis*