RT Journal Article SR Electronic T1 Regional Comparison of Technetium-99m DTPA Aerosol and Radioactive Gas Ventilation (Xenon and Krypton) Studies in Patients with Suspected Pulmonary Embolism JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1391 OP 1396 VO 27 IS 9 A1 Ramanna, Lalitha A1 Alderson, Philip O. A1 Waxman, Alan D. A1 Berman, Daniel S. A1 Brachman, Michael B. A1 Kroop, Steven A. A1 Goldsmith, Mark A1 Tanasescu, Doina E. YR 1986 UL http://jnm.snmjournals.org/content/27/9/1391.abstract AB