1.
Estefan A, Grezzi R, Esperón R, Cardozo T, Pérez Penco E. The Staged ligation of hemorrhoids.: Our Experience. Preliminary report. Cir. Urug. [Internet]. 1981 Mar. 31 [cited 2026 May 24];51(5):436-9. Available from: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3366