1. Medical effects of ionizing radiation. 2nd ed. Metter FA, Upton AC. W.B. Saunders Co., Philadelphia, PA, 1995.
2. The radiologist and angiographic procedures absorbed radiation dose;Tryhus;Invest Radiol,1987
3. Radiation exposure to medical staff in interventional and cardiac radiology;Vano;Br J Radiol,1998
4. From the 56 Federal Regulations 23396, May 21, 1991, as amended at 60 Federal Regulations 20185, April 25, 1995.