%0 Journal Article %A Steven A. Sirr %A Frederick Gramith %T Delivery Efficiency of Technetium-99m DTPA Aerosol—Reply %D 1986 %J Journal of Nuclear Medicine %P 1500-1500 %V 27 %N 9 %U https://jnm.snmjournals.org/content/jnumed/27/9/1500.2.full.pdf