RT Journal Article SR Electronic T1 To the Editor JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 246 OP 246 VO 20 IS 4 A1 Nagel, Maria V. A1 Rosenfeld, Sheila A1 Scott, Johnny A1 Blahd, William H. YR 1992 UL http://tech.snmjournals.org/content/20/4/246.abstract AB