Preliminary Report on the Time‐Related Effect of a Single Autologous Adipose‐Derived Mesenchymal Stem Cells Injection in Hip Osteoarthritis: A Retrospective Observational Study. - Braile, Adriano; De Cicco, Annalisa; Liguori, Sara; De Matteo, Vincenzo; Conza, Gianluca; Vasso, Michele; Trotta, Maria Consiglia; Toro, Giuseppe; Tarantino, Umberto; Korovessis, Panagiotis (Advances in Orthopedics, 2025)