RT Journal Article SR Electronic T1 Retention of 99mTc-Sulfur Colloid in the Lungs—Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 250 OP 250 VO 16 IS 3 A1 William C. Klingensmith III YR 1975 UL http://jnm.snmjournals.org/content/16/3/250.1.abstract AB