MISHRA, K. A rare case of duodenal cancer with achalasia cardia. Journal of Society of Surgeons of Nepal, [S. l.], v. 22, n. 2, p. 32–34, 2019. DOI: 10.3126/jssn.v22i2.28742. Disponível em: https://www.nepjol.info/index.php/JSSN/article/view/28742. Acesso em: 26 apr. 2024.