Sachdeva, P. D., P. B. Rabari, R. Rpatel, N. M. Pavagadhi, M. R. Maheshvari, and A. S. Vyas. “Drug Utilization Study of Antibiotics in Respiratoryillnesses Among Geriatric Patients in Atertiary Care Hospital”. International Journal of Pharmaceutical and Biological Science Archive, Vol. 9, no. 5, Sept. 2021, http://ijpba.in/index.php/ijpba/article/view/252.