MANAPPALLIL, R. G.; P, S.; SUPREETH, R. N. Occult Plummer Vinson syndrome in a patient with haemorrhoids. Asian Journal of Medical Sciences, [S. l.], v. 8, n. 3, p. 81–83, 2017. DOI: 10.3126/ajms.v8i3.17005. Disponível em: https://www.nepjol.info/index.php/AJMS/article/view/17005. Acesso em: 4 aug. 2021.