RT Journal Article SR Electronic T1 Radioactivity in Gastric Juice—A Simple Adjunct to the Yb-169 DTPA Cisternographic Diagnosis of CSF Rhinorrhea: Concise Communication JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1202 OP 1204 VO 18 IS 12 A1 H. Döge A1 B. A. Johannsen YR 1977 UL http://jnm.snmjournals.org/content/18/12/1202.abstract AB