RT Journal Article SR Electronic T1 Letter from the Editor JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 9 OP 9 VO 2 IS 1 A2 Isserstedt, Glenn A. YR 1974 UL http://tech.snmjournals.org/content/2/1/9.abstract AB