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 11 OP 11 VO 1 IS 4 A2 Isserstedt, Glenn A. YR 1973 UL http://tech.snmjournals.org/content/1/4/11.abstract AB