RT Journal Article SR Electronic T1 The Influence of Positioning on Accuracy and Precision in Emission Tomography JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1252 OP 1253 VO 32 IS 6 A1 Jonathan M. Links YR 1991 UL http://jnm.snmjournals.org/content/32/6/1252.abstract AB