Figure 4From: Nebulized perflubron and carbon dioxide rapidly dilate constricted airways in an ovine model of allergic asthmaVideo bronchoscopy of the effect of S-1226. Bronchoscopic still images of sheep airways pre and post MCh and seconds after initiating treatment with nebulized S-1226 (arrow heads indicate tissue dye). The video presentation is available online under Additional file 1.Back to article page