RT Journal Article SR Electronic T1 Optimum Dimensions of Parallel-Hole, Multi-Aperture Collimators for Gamma-Ray Cameras JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 233 OP 235 VO 9 IS 6 A1 Keller, Eldon L. YR 1968 UL http://jnm.snmjournals.org/content/9/6/233.abstract AB