““Nippostrongylus Brasiliensis in Rattus Norvegicus and Rattus Rattus in Areas of the City of Guayaquil. Ecuador”. Revista Universidad de Guayaquil 120, no. 2 (May 1, 2015): 45–50. Accessed December 5, 2025. https://revistas.ug.edu.ec/index.php/rug/article/view/707.