RT Journal Article SR Electronic T1 Safety of 169Yb-DTPA in Cisternography JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 375 OP 376 VO 15 IS 5 A1 Richard L. Morin A1 Frank H. DeLand YR 1974 UL http://jnm.snmjournals.org/content/15/5/375.2.abstract AB