title: Multiple sclerosis associated with sinusitis.
mesh_terms: D000328:Adult; D001899:Borrelia Infections / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000150:complications*; D012008:Recurrence; D012107:Research Design; D012852:Sinusitis / Q000209:etiology*