Álvarado Ysasis LS, García J, Rodríguez E, Carpio C, Salazar E, Flores Fernández EM, et al. Frequency of Nosocomial Enterobacterial b-lactamase-Producing of Extended Spectrum, Cumana, Venezuela. NOVA [Internet]. 2009 Jun. 15 [cited 2026 May 16];7(11):52-9. Available from: https://hemeroteca.unad.edu.co/index.php/nova/article/view/417