Guru Murthy Guru Subramanian, Rana Baldev Singh, Das Ashim, Thapa B R, Duseja Ajay Kumar, Dhiman Radha Krishan, Chawla Yogesh Kumar
Department of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India.
Dig Dis Sci. 2012 Nov;57(11):3035-7. doi: 10.1007/s10620-012-2226-0. Epub 2012 Jun 8.