RT Journal Article SR Electronic T1 The Buildup Factor: Effect of Scatter on Absolute Volume Determination JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 390 OP 394 VO 26 IS 4 A1 Siegel, Jeffry A. A1 Wu, Raymond K. A1 Maurer, Alan H. YR 1985 UL http://jnm.snmjournals.org/content/26/4/390.abstract AB