RT Journal Article SR Electronic T1 Lung Retention of 99mTc-Sulfur Colloid JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 439 OP 440 VO 16 IS 5 A1 Kristensen, Knud A1 Pedersen, Bente YR 1975 UL http://jnm.snmjournals.org/content/16/5/439.2.abstract AB