The dynamic nature of collateral ventilation.
D000818:Animals; D001980:Bronchi / Q000187:drug effects; D002245:Carbon Dioxide / Q000494:pharmacology; D004285:Dogs; D004837:Epinephrine / Q000494:pharmacology; D006935:Hypercapnia; D000860:Hypoxia; D066298:In Vitro Techniques; D008168:Lung / Q000187:drug effects / Q000502:physiology*; D008688:Methacholine Compounds / Q000494:pharmacology; D009130:Muscle, Smooth / Q000187:drug effects; D010100:Oxygen / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects
D008688:Methacholine Compounds; D002245:Carbon Dioxide; D010100:Oxygen; D004837:Epinephrine