title: Dr. Goldstein's question.
authors: Timothy H
authors: TH
authors: McCalmont
mesh_terms: D000505:Alopecia / Q000145:classification / Q000175:diagnosis*; D002921:Cicatrix / Q000145:classification / Q000175:diagnosis*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors / Q000517:prevention & control*; D006801:Humans; D008010:Lichen Planus / Q000145:classification / Q000175:diagnosis; D025202:Molecular Diagnostic Techniques