RT Journal Article SR Electronic T1 DOSE CALIBRATOR PERFORMANCE AND QUALITY CONTROL JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 168 OP 169 VO 5 IS 3 A1 Charles W. Gunther A1 Stephen V. Wilkerson A1 Donald G. Floriddia YR 1977 UL http://tech.snmjournals.org/content/5/3/168.abstract AB