Aggarwal Abhinav, Sharma Vishal, Vaiphei Kim, Duseja Ajay, Chawla Yogesh K
Department of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Dig Dis Sci. 2013 Oct;58(10):3049-51. doi: 10.1007/s10620-013-2581-5. Epub 2013 Aug 8.