TY - JOUR T1 - The Author′s Reply JF - Journal of Nuclear Medicine JO - J Nucl Med SP - 496 LP - 497 VL - 16 IS - 6 AU - G. D. Chisholm Y1 - 1975/06/01 UR - http://jnm.snmjournals.org/content/16/6/496.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -