Institution: | 1Laboratory of Human Careinogenesis. National Cancer Institute NIH, Bethesda, MD 20892-4255, USA
2Department of Pathology, University of Oulu Finland
3Toa Payoh Hospital, Toa Payoh Rise Singapore 1129
4Johns Hopkins University Baltimore, MD, 21205-2179, USA
5Liver Unit, Gastroenterology Department, Dr Jose E.Gonzalez University Hospital Monterrey, Nuevo Leon, Mexico |