1. National Electrical Manufacturers Association (NEMA). Performance measurements of positron emission tomographs. NEMA Standards Publication 1994; NU2-1994:1–28.
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; NU2-2001:1–40.