RT Journal Article SR Electronic T1 Thallium-201 Retention in Focal Intracranial Lesions for Differential Diagnosis of Primary Lymphoma and Nonmalignant Lesions in AIDS Patients JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1366 OP 1369 VO 39 IS 8 A1 Mordechai Lorberboym A1 Fran Wallach A1 Lois Estok A1 Roger E. Mosesson A1 Michael Sacher A1 Chun K. Kim A1 Josef Machac YR 1998 UL http://jnm.snmjournals.org/content/39/8/1366.abstract AB