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 13 OP 13 VO 1 IS 3 A2 Isserstedt, Glenn A. YR 1973 UL http://tech.snmjournals.org/content/1/3/13.abstract AB