Joel K. Greenson, MD is Professor of Gastrointestinal and Hepatobiliary Pathology and Anatomic Pathology at the University of Michigan Medical School in Ann Arbor. He is the editor and co-author of Diagnostic Pathology: Gastrointestinal, 3rd Edition. MORE
James F. Griffith, MD, MRCP, FRCR is professor, Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China. He is the author of . MORE