1.
Penco EP, Servetti E, Blanco E, Benedetti M, Picarelli D, Sojo E, et al. Consequences of ligation of the esophagus on a rigid ring. Cir. Urug. [Internet]. 1978 Mar. 10 [cited 2026 Jun. 10];48(5):420-2. Available from: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2992