Gamba, M. A.; Gotlieb, S. L. D.; Bergamaschi, D. P.; Vianna, L. A. C. Lower Extremity Amputations in Diabetic Patients: A Case-Control Study . Rev. saúde pública 2004, 38 (3), 399-404. https://doi.org/10.1590/S0034-89102004000300010.