PT - JOURNAL ARTICLE AU - James A. Sorenson TI - Statistical Artifact in DPA Measurements at Low Count Rates DP - 1990 Apr 01 TA - Journal of Nuclear Medicine PG - 537--538 VI - 31 IP - 4 4099 - http://jnm.snmjournals.org/content/31/4/537.short 4100 - http://jnm.snmjournals.org/content/31/4/537.full SO - J Nucl Med1990 Apr 01; 31