Safatle-Ribeiro AV, Ribeiro Júnior U, Habr-Gama A, Gama-Rodrigues JJ. Double pylorus: case report and review of the literature . Rev. Hosp. Clín. [Internet]. 1999 Aug. 1 [cited 2024 May 6];54(4):131-4. Available from: https://www.revistas.usp.br/rhc/article/view/30138