1. National Electrical Manufacturers Association (NEMA). Performance measurements of positron emission tomographs. NEMA Standards Publication. 1994, NU2-1994, pp. 1–28.
2. Industries Association of Radiation Apparatus (JESRA). A method of PET performance evaluation (in Japanese). JESRA. 1993;X-73.
3. Japan Radioisotope Association (JRIA). A guideline of PET performance evaluation (in Japanese). Radioisotopes. 1994;43:115–35.
4. International Electrotechnical Commission (IEC). Radionuclide imaging devices—characteristics and test conditions. Part 1: Positron emission tomographs. IEC Standard. 1998;61675-1.
5. National Electrical Manufacturers Association (NEMA). Performance measurements of positron emission tomographs. NEMA Standards Publication. 2001; NU2-2001, pp. 1–40.