IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-7-31091 Original Research Paper Demographic profile of subjects undergoing real-time RT-PCR test for SARS-CoV-2 at a single center in North India during 3 weeks lockdown period Singh Dr. Naresh P Singh Dr. Amit Singh Dr. July 2020 9 7 01 02