J. Moreno López, J. A. Moreno Palacios, I. García Delgado, C. E. Díaz-Guardamino, M. Ruiz Sanz, and A. Alcaide Jiménez, “Type II avulsion fracture of calcaneal tuberosity (duck beak). Case series”, Rev. colomb. ortop traumatol., vol. 32, no. 3, pp. 197–201, Oct. 2018.