RT Journal Article SR Electronic T1 A Simple 133Xe Delivery System for Studies of Regional Ventilation JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 288 OP 290 VO 15 IS 4 A1 Roger H. Secker-Walker A1 Jean Barbier A1 Stephen N. Wiener A1 Philip O. Alderson YR 1974 UL http://jnm.snmjournals.org/content/15/4/288.abstract AB