TY - JOUR T1 - Letter from the Editor JF - Journal of Nuclear Medicine Technology JO - J. Nucl. Med. Technol. SP - 155 LP - 155 VL - 11 IS - 4 A2 - Christian, Paul E. Y1 - 1983/12/01 UR - http://tech.snmjournals.org/content/11/4/155.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -