1. US Department of Health and Human Services. Standards for privacy of individually identifiable health information. 45 CFR Parts 160 through 164. Available online at http://www.dhhs.gov/ocr/hipaa/guidelines/Introduction.rtf. Accessed October 4, 2006.
2. US Department of Health and Human Services. National Institutes of Health. HIPAA privacy rule and its impacts on research. Available online from http://privacyruleandresearch.nih.gov/healthservicesprivacy.asp. Retrieved October 5, 2006.
3. National Electrical Manufacturers Association. Digital imaging and communications in medicine. DICOM Homepage. Available online at http://medical.nema.org/dicom/. Accessed October 6, 2006.
4. US Department of Health and Human Services. National Institutes of Health. National Cancer Institute. Lung Image Database Consortium. Available online at http://imaging.cancer.gov/programsandresources/InformationSystems/LIDC. Accessed January 9, 2007.
5. Mallinckrodt Institute of Radiology. MIR DICOM Central Test Node Software. Available online at http://wuerlim.wustl.edu/DICOM/ctn.html. Accessed October 11, 2006.