Long-term results after modified Epping procedure for trapeziometacarpal osteoarthritis. - Klein, Silvan; Wachter, Katharina; Koller, Michael; Vykoukal, Jody; Geis, Sebastian; Dolderer, Juergen; Loibl, Markus; Prantl, Lukas; Klein, Silvan M; Dolderer, Juergen H (Archives of Orthopaedic & Trauma Surgery, 2015)