Relationship between serum levels of VIP, but not of CGRP, and cranial autonomic parasympathetic symptoms: A study in chronic migraine patients

1. Riesco, N.
2. Cernuda-Morollón, E.
3. Martínez-Camblor, P.
4. Pérez-Alvarez, A.I.
5. Verano, L.
6. García-Cabo, C.
7. Serrano-Pertierra, E.
8. Pascual, J.