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A: effect of acute AT1-receptor blockade with CV injection (0.3 mg/kg) on MAP. Spontaneous baroreflex sensitivity (BRS) was measured by spectral analysis methods as high-frequency (HF)-α index (B), as sequence all (seq TOTAL; C), and as baroreflex gain (Gmax; D) in control and Beta-exposed sheep. Values are means ± SE. *P < 0.05 vs. control.
