RT Journal Article SR Electronic T1 Uptake of 13N-Labeled Ammonia JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 274 OP 277 VO 13 IS 4 A1 Monahan, W. G. A1 Tilbury, R. S. A1 Laughlin, J. S. YR 1972 UL http://jnm.snmjournals.org/content/13/4/274.abstract AB