Mahmood Nabil Sherif, Suresh Hadihally Byregowda, Hegde Vinod
Department of Radiodiagnosis and Imaging, Father Muller Medical College, Mangalore, 575 002 Karnataka, India.
Indian J Gastroenterol. 2009 Jul-Aug;28(4):142. doi: 10.1007/s12664-009-0049-5.