RT Journal Article SR Electronic T1 An Automated Method for the Evaluation of Nonfocused Collimator Performance in Water Medium JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 679 OP 680 VO 15 IS 8 A1 Bosnjakovic, Vladimir A1 Bennett, Leslie R. YR 1974 UL http://jnm.snmjournals.org/content/15/8/679.abstract AB