Buchholz, Ivo M, et al. “Overgrowth and Correction of Rotational Deformity in 12 Femoral Shaft Fractures in 3-6-Year-Old Children Treated With an External Fixator”. Acta Orthopaedica, vol. 73, no. 2, Jan. 2002, pp. 170-4, doi:10.1080/000164702753671759.