In the article entitled, “Identification of Novel Cellular Targets in Biliary Tract Cancers Using Global Gene Expression Technology” (Volume 163, pages 217–229 of the July 2003 issue of The American Journal of Pathology; http://dx.doi.org/10.1016/S0002-9440(10)63645-0), the sixth author's named was misspelled. The correct spelling is Richard Schulick. This has previously been corrected in PubMed (PMID: 12819026) and the Journal website is being updated to correspond appropriately.