RT Journal Article SR Electronic T1 Hyperperfusion of a Lower-Lobe Pneumonia by Positive Pressure Ventilatory Support JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 125 OP 126 VO 31 IS 1 A1 William A. Wegener YR 1990 UL http://jnm.snmjournals.org/content/31/1/125.abstract AB