Ullauri-González, Carmen, and Sandra Freire-Cuesta. “Multiresistant Citrobacter Freundii As an Etiological Agent of Urinary Tract Infection”. Kasmera 47, no. 1 (June 11, 2019): 9-13. Accessed August 3, 2025. http://www.produccioncientifica.luz.edu.ve/index.php/kasmera/article/view/24671.