Generalized neck-shoulder hyperalgesia in chronic tension-type headache and unilateral migraine assessed by pressure pain sensitivity topographical maps of the trapezius muscle

1. Fernández-De-Las-Peñas, C.
2. Madeleine, P.
3. Caminero, A.B.
4. Cuadrado, M.L.
5. Arendt-Nielsen, L.
6. Pareja, J.A.