T. C. Agu and A. C. Ikwu, “Any Pattern Changes in Major Lower Limb Amputations? A 10-year Comparative Retrospective Study in a Private Orthopedic and Trauma Center in the South-east region of Nigeria”, NJGP, vol. 15, no. 1, pp. 1–6, Jan. 2017, doi: 10.60787/njgp.v15i1.112.