Combined Treatment With Chondroitin Sulfate and Glucosamine Sulfate Shows No Superiority Over Placebo for Reduction of Joint Pain and Functional Impairment in Patients With Knee Osteoarthritis: A Six-Month Multicenter, Randomized, Double-Blind, Placebo-Controlled Clinical Trial

1. Roman-Blas, J.A.
2. Castañeda, S.
3. Sánchez-Pernaute, O.
4. Largo, R.
5. Herrero-Beaumont, G.
6. Blanco, F.J.
7. Gómez, R.B.
8. Burlato, M.C.
9. González, C.G.
10. Vázquez, J.L.G.
11. Martín-Mola, E.
12. Brancós, A.I.M.
13. Navarro Blasco, F.J.
14. Román Ivorra, J.A.
15. Rosas Gómez de Salazar, J.C.