RT Journal Article SR Electronic T1 Quality Assurance and Nuclear Medicine: The Challenge of Change JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1366 OP 1372 VO 27 IS 8 A1 Ben I. Friedman YR 1986 UL http://jnm.snmjournals.org/content/27/8/1366.abstract AB