TY - RPRT TI - Effect of directed training on reader performance for CT colonography: multicenter study. AU - European Society of Gastrointestinal and Abdominal Radiology CT Colonography Group Investigators PY - 2007 DO - 10.1148/radiol.2421051000 UR - https://pubmed.ncbi.nlm.nih.gov/17185666/ ID - 17185666 ER -