Nasofrontal duct in frontal sinus fractures.
D005151:Facial Injuries / Q000150:complications / Q000601:surgery*; D005626:Frontal Sinus / Q000293:injuries*; D006801:Humans; D009666:Nose; D012852:Sinusitis / Q000209:etiology; D012887:Skull Fractures / Q000150:complications / Q000601:surgery*