Conforti A, Ruggiero C, Palombi N, Messina F, Bonifacio M, Lucchetti L, et al. Evaluation of tramadol/paracetamol 75 mg/650 mg combination therapy for early-stage knee osteoarthritis: a retrospective observational study. Reumatismo [Internet]. 2025 Jul. 23 [cited 2026 Oct. 27];77(4). Available from: https://www.reumatismo.org/reuma/article/view/1872