Saharman, Yulia R, and Delly C Lestari. 2016. “Phenotype Characterization of Beta-Lactamase Producing Enterobacteriaceae in the Intensive Care Unit (ICU) of Cipto Mangunkusumo Hospital in 2011”. Acta Medica Indonesiana 45 (1). https://actamedindones.org/index.php/ijim/article/view/115.