“AmpC, OprD Expression Analysis in β-Lactam Resistant Pseudomonas Aeruginosa Clinical Isolates 1 from a Tertiary Level Hospital in Ecuador”. Revista Ecuatoriana de Medicina Y Ciencias Biológicas, vol. 38, no. 1, May 2017, pp. 35-43, https://doi.org/10.26807/remcb.v38i1.19.