S. Charave, R. Suresh, , Shihab, M. Fayiz, and A. Dev, “A Study on Drug Utilization of Antibiotics in Respiratory Tract Infections among Geriartrics”, J. Drug Delivery Ther., vol. 10, no. 3-s, pp. 61–67, Jun. 2020, doi: 10.22270/jddt.v10i3-s.4084.