Phrueksawatnon, Kritsada, and Rungrujee Kaweewan. 2021. “Surgical Outcome and Prognostic Factors of Amputation in Patients With below-the-Knee (BTK) and Below-the-Ankle (BTA) Arteries Bypass Surgery in Nakornping Hospital, Thailand”. Journal of the Association of General Surgeons of Thailand under the Royal of Patronage of HM the King 5 (2):18-25. https://he02.tci-thaijo.org/index.php/agstjournal/article/view/247844.