1. Headache;Friedman,1989
2. Headache and other craniofacial pains;Adams,1985
3. Middle turbinate headache syndrome;Goldsmith;Am J Rhinol,1993
4. Headache of nasal origin;Ryan;Headache,1979
5. Headaches and sinus disease: the endoscopic approach;Stammberger;Ann Otol Rhinol Laryngol Suppl,1998