Idiopathic ophthalmodynia and idiopathic rhinalgia: two topographic facial pain syndromes. Headache.

Pareja JA, Cuadrado ML, Porta-Etessam J, Fernández-de-las-Peñas C, Gili P, Caminero AB, Cebrián JL. Idiopathic ophthalmodynia and idiopathic rhinalgia: two topographic facial pain syndromes. Headache. 2010 Sep;50(8):1286-95. doi: 10.1111/j.1526-4610.2010.01659.x. PubMed PMID: 20408883.