Risk factors associated with hyporesponse to erythropoietin in chronic kidney disease patients on hemodialysis who present anemia.: A multicenter observational study. Revista de la Sociedad Ecuatoriana de Nefrología, Diálisis y Trasplante, [S. l.], v. 12, n. 1, p. 64–71, 2024. DOI: 10.56867/68. Disponível em: https://www.rev-sen.ec/index.php/revista/article/view/68. Acesso em: 16 apr. 2026.