RT Journal Article SR Electronic T1 Initial Assessment of a Simple Functional Image of Ventilation JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 88 OP 92 VO 17 IS 2 A1 Nathaniel M. Alpert A1 Kenneth A. McKusick A1 John A. Correia A1 William Shea A1 Gordon L. Brownell A1 Majic S. Potsaid YR 1976 UL http://jnm.snmjournals.org/content/17/2/88.abstract AB