RT Journal Article SR Electronic T1 Ventilation-Perfusion Lung Scanning in the Evaluation of Pulmonary Hypertension JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 793 OP 796 VO 35 IS 5 A1 Worsley, Daniel F. A1 Palevsky, Harold I. A1 Alavi, Abass YR 1994 UL http://jnm.snmjournals.org/content/35/5/793.abstract AB