RT Journal Article SR Electronic T1 HANDBOOK OF BIOMEDICAL INSTRUMENTATION AND MEASUREMENT JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 223 OP 224 VO 3 IS 4 A1 J. Ladue, Robert YR 1975 UL http://tech.snmjournals.org/content/3/4/223.2.abstract AB