RT Journal Article SR Electronic T1 Quantitative Analysis of Technegas SPECT: Evaluation of Regional Severity of Emphysema JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 590 OP 595 VO 41 IS 4 A1 Nagao, Michinobu A1 Murase, Kenya A1 Ichiki, Taku A1 Sakai, Shinya A1 Yasuhara, Yoshifumi A1 Ikezoe, Junpei YR 2000 UL http://jnm.snmjournals.org/content/41/4/590.abstract AB