Association between the G1246A polymorphism of the hypocretin receptor 2 gene and cluster headache: a meta-analysis

Innocenzo Rainero1, Elisa Rubino, Walter Valfrè

  • 1Neurology II-Headache Centre, Department of Neuroscience, University of Turin, Via Cherasco 15, I-10126 Turin, Italy. irainero@molinette.piemonte.it