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Representative film autoradiographs at the levels of the SFO and PVN show patterns of IL-1β mRNA hybridization in animals killed at 4 hr after they received an intraperitoneal injection of 1 mg/kg LPS. Sections from sham-operated (A, B) and adrenalectomized (ADX; C, D) animals are shown. Scale bar, 0.5 cm.
