PT - JOURNAL ARTICLE AU - Wei Chang AU - Shuqiang Li AU - John J. Williams AU - Philip M. Bruch AU - Carl A. Wesolowski AU - James C. Ehrhardt AU - Peter T. Kirchner TI - New Methods of Examining Gamma Camera Collimators DP - 1988 May 01 TA - Journal of Nuclear Medicine PG - 676--683 VI - 29 IP - 5 4099 - http://jnm.snmjournals.org/content/29/5/676.short 4100 - http://jnm.snmjournals.org/content/29/5/676.full SO - J Nucl Med1988 May 01; 29