Muchtar, A., Bustami, Z.S., Djamil, A.I. and Fenida, F. 1992. Perioperative use of antibiotics in a university hospital. Medical Journal of Indonesia. 1, 3/4 (Dec. 1992), 149-53. DOI:https://doi.org/10.13181/mji.v1i3/4.3617.