PT - JOURNAL ARTICLE AU - Billinghurst, Mervyn W. AU - Abrams, Douglas N. AU - Coutts, Alison D. TI - LETTER TO THE EDITOR DP - 1990 Mar 01 TA - Journal of Nuclear Medicine Technology PG - 54--55 VI - 18 IP - 1 4099 - http://tech.snmjournals.org/content/18/1/54.short 4100 - http://tech.snmjournals.org/content/18/1/54.full SO - J. Nucl. Med. Technol.1990 Mar 01; 18