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Effect of 2,3-pentanedione inhalation 18 h following 6-h exposure of rats on reactivity to inhaled. Left panel: RL responses to MCh after exposure to 120, 240, and 320 ppm 2,3-pentanedione. Right panels: effect on Cdyn. Air: n = 24; 2,3-pentanedione: n = 4–10. Asterisk indicates significantly different from air-exposed (p < .05).
