Ultrasound Changes in the Enthesis and Peri-enthesis Area of the Patellar and Achilles Tendons in Response to Physical Exercise: Comparison Between Healthy Subjects and Patients with Spondyloarthritis in Clinical Remission

1. Tortosa-Cabañas, M.
2. Tejero-Carmona, M.E.
3. García-Montes, N.
4. Guillén-Astete, C.A.