Y. Rosana, A. Kiranasari, I. Ningsih, C. Tjampakasari, R. Kadarsih, and M. H. Wahid, “Patterns of bacterial resistance against Ceftriaxone from 2002 to 2005 in the Clinical Microbiology Laboratory of the Faculty of Medicine, University of Indonesia”, Med J Indones, vol. 16, no. 1, pp. 3-6, Feb. 2007.