Gunawan, I Made, Budiarta, Ida, Mahadewa, Tjokorda, Suryawisesa, Ida, Wibawa, I, AND Ariyanta, Kadek. " Validity of Wagner, SINBAB, PEDIS, and WIFI Scoring Systems to Assess Risk of Amputation in Patients with Diabetic Foot Ulcers" JBN (Jurnal Bedah Nasional) [Online], Volume 8 Number 2 (7 September 2024)