UMASHANKAR, G. T.; M. S., A. K.; SHAHID, M. Predictors of lower extremity amputation in patients with diabetic foot ulcer. International Surgery Journal, [S. l.], v. 6, n. 4, p. 1208–1213, 2019. DOI: 10.18203/2349-2902.isj20190998. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/3726. Acesso em: 20 feb. 2026.