Hypnic headache: Characteristics of a series of 13 new cases and proposal for modification of the diagnostic criteria

1. Mulero, P.
2. Guerrero-Peral, A.L.
3. Cortijo, E.
4. Jabary, N.S.
5. Herrero-Velázquez, S.
6. Miranda, S.
7. Peñas-Martínez, M.L.
8. Pedraza, M.
9. Fernández-Herranz, R.