Rhinologic causes of facial pain and headache.
D005145:Face; D006261:Headache / Q000209:etiology*; D006801:Humans; D009667:Nose Deformities, Acquired / Q000150:complications; D009668:Nose Diseases / Q000150:complications*; D009669:Nose Neoplasms / Q000150:complications; D010146:Pain / Q000209:etiology*