“Nippostrongylus brasiliensis in Rattus norvegicus and Rattus rattus in areas of the city of Guayaquil. Ecuador. Revista Universidad de Guayaquil, [S. l.], v. 120, n. 2, p. 45–50, 2015. DOI: 10.53591/rug.v120i2.707. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/707. Acesso em: 5 dec. 2025.