Figure 1From: Hesperetin-7,3'-O-dimethylether selectively inhibits phosphodiesterase 4 and effectively suppresses ovalbumin-induced airway hyperresponsiveness with a high therapeutic ratioThe schedule of sensitization, challenge and drug administration in mice. AHR, airway hyperresponsiveness; Al(OH)3, aluminum hydroxide gel; HDME, hesperetin-7,3'-O-dimethylether.Back to article page