PT - JOURNAL ARTICLE AU - Joan A. McKeown TI - Reply DP - 1980 Dec 01 TA - Journal of Nuclear Medicine Technology PG - 244--245 VI - 8 IP - 4 4099 - http://tech.snmjournals.org/content/8/4/244.3.short 4100 - http://tech.snmjournals.org/content/8/4/244.3.full SO - J. Nucl. Med. Technol.1980 Dec 01; 8