RT Journal Article SR Electronic T1 A Handbook of Radioactivity Measurements Procedures, Second Edition JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1351 OP 1352 VO 26 IS 11 A1 Roy S. Tilbury YR 1985 UL http://jnm.snmjournals.org/content/26/11/1351.2.abstract AB