Muscle trigger points and pressure pain hyperalgesia in the shoulder muscles in patients with unilateral shoulder impingement: A blinded, controlled study

1. Hidalgo-Lozano, A.
2. Fernández-De-Las-Peñas, C.
3. Alonso-Blanco, C.
4. Ge, H.-Y.
5. Arendt-Nielsen, L.
6. Arroyo-Morales, M.