Gorantla, N.C. and Hanumanthu, L. 2018. Drug utilization study in outpatient ophthalmology department of government medical college, Nellore, India. International Journal of Basic & Clinical Pharmacology. 7, 5 (Apr. 2018), 844–848. DOI:https://doi.org/10.18203/2319-2003.ijbcp20181425.