Larghero Ibarz P. Vagotomy and operation of Pena Billroth for duodenal ulcer. Cir. Urug. [Internet]. 2020 Feb. 7 [cited 2026 Jun. 14];22(2):125-9. Available from: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/1073