Figure 2From: Involvement of nitric oxide (NO) in cough reflex sensitivity between non-sensitized and OVA-sensitized guinea pigsExperimental design for the effect of L-NAME in OVA sensitized guinea pigs. 24 h after OVA challenge, vehicle or L-NAME solutions were administered 0.5 h prior to cough reflex sensitivity to capsaicin and ENO measurement in OVA sensitized guinea pigs weighing 500 to 550 g.Back to article page