J Gastrointestin Liver Dis June 2007 Vol.16 No 2, 173-174 Address for correspondence: 1 Bedossa et al. found the best diagnostic value for discriminating between F0-F1 and F2-F4 METAVIR that can be obtained for the liver biopsy versus the entire liver is 0.90 AUROC for a 20mm nonfragmented liver biopsy. 2 Regev et al. suggested that an adequate non fragmented liver biopsy sample contain more th...