title: [Ultrasonography for foreign body in oral and maxillofacial region: report of 3 cases].
mesh_terms: D005145:Face; D005260:Female; D005547:Foreign Bodies / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008437:Maxilla; D008875:Middle Aged; D009055:Mouth; D014463:Ultrasonography