Puneet Chhab offshorera1, Chalapathi Rao2, Harpal Singh2, Vishal Sharma2, Manish Modi3, Mukesh Yadav4, Surinder Singh Rana2, Deepak Kumar Bhasin2, Karter Singh2
Department of Internal Medicine1,
Gastroenterology2, Neurology3, Radiodiagnosis4,
Postgraduate Institute of Medical Education and Research,
Sector 12, Chandigarh-160012,India