RT Journal Article SR Electronic T1 Production of Cerebrospinal Fluid Leak Artifact by Residual 99mTc-Pertechnetate JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 434 OP 434 VO 16 IS 5 A1 Cowan, Robert J. A1 Murphy, Michael P. A1 Maynard, C. Douglas YR 1975 UL http://jnm.snmjournals.org/content/16/5/434.abstract AB