RT Journal Article SR Electronic T1 Radiation Protection in the Health Sciences JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1921 OP 1922 VO 37 IS 11 A1 Pat B. Zanzonico YR 1996 UL http://jnm.snmjournals.org/content/37/11/1921.2.abstract AB