Surgical treatment of talar osteo-chondral lesions with micro-fractures, mesenchymal cells grafting on membrane, or allograft: Mid-term clinical and magnetic resonance assessment. - Puddu L; Altamore F; Santandrea A; Mercurio D; Caggiari G; Della Sala S; Marinetti A; Tessarolo F; Rigoni M; Manunta AF; Cortese F (Journal of orthopaedics, 2020)