Guerrero Forero, Santiago, et al. “Evaluation of Diaphyseal Osteotomies for Correction of Moderate to Severe Hallux Valgus: Scarf and Modified Chevron Osteotomies”. Revista Colombiana De Ortopedia Y Traumatología, vol. 29, no. 2, Mar. 2016, pp. 54-60, doi:10.1016/j.rccot.2016.01.003.