RT Journal Article SR Electronic T1 Differential Diagnosis of Brain Lesions with 99mTc-Labeled Pharmaceuticals JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 224 OP 224 VO 17 IS 3 A1 Peter Josef Ell A1 Karl Heinz Lotritsch YR 1976 UL http://jnm.snmjournals.org/content/17/3/224.1.abstract AB