Butt, H.A., Ali, W., Hussain, W., Mir, A., Butt, W.A. and Zulfiqar, M. 2021. Pre COVID-19 usage of smartphones and medical applications among medical students. International Journal of Basic & Clinical Pharmacology. 10, 5 (Apr. 2021), 479–482. DOI:https://doi.org/10.18203/2319-2003.ijbcp20211639.