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IFN-γ mRNA production in HIV− and HIV+ lymph nodes. Lymph nodes with follicular hyperplasia (FHLN) of HIV+ individuals and lymph nodes from HIV− persons were hybridized with an IFN-γ-specific antisense cRNA probe. (A) Lymph node section from a HIV− individual. (B) Lymph node section from a Mycobacterium tuberculosis-infected but HIV− patient. (C) Lymph node section from a HIV+ person (Mag. × 50).
