RT Journal Article SR Electronic T1 Tagging of Iron Oxide Particles with 99mTc for Use in the Study of Deposition and Clearance of Inhaled Particles JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 122 OP 125 VO 17 IS 2 A1 Frank J. Hass A1 Peter S. Lee A1 Ruy V. Lourenço YR 1976 UL http://jnm.snmjournals.org/content/17/2/122.abstract AB