Thamby, S. A., Juling, P., Xin, B. T. W. and Jing, N. C. (2012) “Retrospective studies on drug utilization patterns of asthmatics in a Government hospital in Kedah, Malaysia”, International Current Pharmaceutical Journal, 1(11), pp. 353–360. doi: 10.3329/icpj.v1i11.12060.