RT Journal Article SR Electronic T1 JNMT BOOKSHELF JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 56 OP 56 VO 18 IS 1 A1 Hansell, John R. YR 1990 UL http://tech.snmjournals.org/content/18/1/56.abstract AB