title: The clinical evaluation of pathologic hair loss with a diagnostic sign in trichotillomania.
mesh_terms: D000505:Alopecia / Q000175:diagnosis; D006197:Hair / Q000033:anatomy & histology; D006201:Hair Diseases / Q000175:diagnosis* / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D009771:Obsessive-Compulsive Disorder / Q000175:diagnosis*; D014256:Trichotillomania / Q000175:diagnosis*