RT Journal Article SR Electronic T1 Permissible Concentration in Air of Xenon-127: Concise Communication JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 105 OP 106 VO 19 IS 1 A1 George, David L. YR 1978 UL http://jnm.snmjournals.org/content/19/1/105.abstract AB