1. Content-based image retrieval in radiology: Current status and future directions;Akgül;Journal of Digital Imaging,2011
2. American College of Radiology and National Electrical Manufacturers Association. Digital imaging and communications in medicine (DICOM), 2003. the latest version is available from the NEMA DICOM web site, at .
3. American Medical Association (AMA). CPT (current procedural terminology) web page, 2008. URL: .
4. ANSI. Information retrieval (Z39.50): Application service definition and protocol specification. Technical report, American National Standards Institute, 2003.
5. Gene Ontology: Tool for the unification of biology. the Gene Ontology Consortium;Ashburner;Nature Genetics,2000