1. IAEA Human Health Series No. 6: Quality Assurance for SPECT Systems. Vienna, Austria: International Atomic Energy Agency; 2009:46–52.
2. NEMA Standards Publication NU 1-2012: Performance Measurements of Gamma Cameras. Rosslyn, VA: National Electrical Manufacturers Association; 2013.
3. Scintillation camera quality control, part 1: establishing the quality control program;Smith;J Nucl Med Technol.,1998
4. Sorenson JA Phelps ME . Physics in Nuclear Medicine. 2nd ed. Philadelphia, PA: W.B. Saunders Co.; 1987:252–259,387–390.
5. Early PJ Sodee DB . Principles and Practice of Nuclear Medicine. 2nd ed. St. Louis, MO: Mosby-Year Book, Inc.; 1995:261–273,282–285.