RT Journal Article SR Electronic T1 Textbook of Nuclear Medicine Technology JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 603 OP 603 VO 21 IS 6 A1 Elaine N. Dufresne YR 1980 UL http://jnm.snmjournals.org/content/21/6/603.2.abstract AB