RT Journal Article SR Electronic T1 Abnormal Perfusion and Ventilation Scintigrams in Patients with Azygos Fissures JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 633 OP 636 VO 13 IS 8 A1 Polga, James P. A1 Drum, David E. YR 1972 UL http://jnm.snmjournals.org/content/13/8/633.abstract AB