RT Journal Article SR Electronic T1 Quality Assurance of Patient Care JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 197 OP 198 VO 5 IS 4 A1 Pritchard, Elaine YR 1977 UL http://tech.snmjournals.org/content/5/4/197.abstract AB