UsaNewsOnline Journal : Usanewsonline.Com, Facebook: ; Episode : 472 : 07-2020 : Host : Shakhawat Hossain Salim, Editor, Usanewsonline.Com & Weekly Jonotar Kantho ; Guest : Dr Ibrul Chowdhury, MD, PhD, Asst Prof, (Adjunct Faculty) Internal Medicine, Jefferson University, Philadelphia, PA, USA.