PT - JOURNAL ARTICLE AU - Robert L. Richardson AU - William H. Bettinger TI - A Modified Composite Video Signal Generator for the Gamma 11 Computing System DP - 1983 Sep 01 TA - Journal of Nuclear Medicine PG - 838--840 VI - 24 IP - 9 4099 - http://jnm.snmjournals.org/content/24/9/838.short 4100 - http://jnm.snmjournals.org/content/24/9/838.full SO - J Nucl Med1983 Sep 01; 24