Original
Description of a series of cases of hypnic headache. Differentiation between sexes
P.E. Jiménez-Caballero, G. Gámez Leyva-Hernández, M. Gómez, I. Casado-Naranjo [REV NEUROL 2012;54:332-336] PMID: 22403145 DOI: https://doi.org/10.33588/rn.5406.2011605![](https://neurologia.com/img/iconos/icono_openaccess.png)
Volumen 54 | Number 06 | Nº of views of the article 8.500 | Nº of PDF downloads 662 | Article publication date 16/03/2012