1. Digital Imaging and Communications in Medicine (DICOM)Rosslyn, Va: National Electrical Manufacturers Association, 2001. PS 3.1-2001, pp iii–iv, 4–12.
2. A Five-Step Approach to Digital Image Manipulation for the Radiologist
3. Image File Formats: Past, Present, and Future
4. TIFF revision 6.0Mountain View, Calif: Adobe Developers Association, June 1992; 57-58.
5. PNG (portable network graphics) specification, version 1.2. PNG Development Group, July1999; 1:6-7.