Study of the relation between the posterior malleolus fracture and the development of osteoarthritis - Abarquero-Diezhandino A; Luengo-Alonso G; Alonso-Tejero D; Sánchez-Morata EJ; Olaya-Gonzalez C; Vilá y Rico J (Revista Espanola De Cirugia Ortopedica Y Traumatologia, 2020)