Persada Isma, S. P., I. I. Irsan, F. Purantoro, and M. A. Putera. “Amputation Demographic Assessment at Saiful Anwar Hospital: 5 Years of Study”. International Journal of Research in Medical Sciences, vol. 8, no. 3, Feb. 2020, pp. 1123-6, doi:10.18203/2320-6012.ijrms20200792.