Patel, D. B. J., D. K. H. Patel, and D. H. R. Trivedi. “Drug Utilization Study In Intensive Coronary Care Unit of A Tertiary Care Teaching Hospital: Drug Utilization Study”. National Journal of Integrated Research in Medicine, vol. 3, no. 4, Oct. 2012, pp. 28-33, http://nicpd.ac.in/ojs-/index.php/njirm/article/view/2064.