Nasir Saad, Iftikhar Pulwasha Maria
United Medical and Dental College, Karachi, Pakistan.
Department of Health Sciences, St John's University, Queens, NY, United States.
Am J Med Sci. 2020 Oct;360(4):414. doi: 10.1016/j.amjms.2020.06.012. Epub 2020 Jun 12.