TY - JOUR T1 - The Difference between t̄ and t<sub>½</sub>—Reply JF - Journal of Nuclear Medicine JO - J Nucl Med SP - 760 LP - 760 VL - 17 IS - 8 AU - Nathaniel Alpert AU - John Correia Y1 - 1976/08/01 UR - http://jnm.snmjournals.org/content/17/8/760.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -