1. Woods BD, Sladen RN. Perioperative considerations for the patient with asthma and bronchospasm. Br J Anaesth. 2009;103(suppl 1):i57–65.
2. Fernandes LB, Stuart-Smith K, Croxton TL, Hirshman CA. Role of Ca2+ entry in the modulation of airway tone by hypoxia. Am J Physiol. 1993;264:L284–9.
3. Croxton TL, Lande B, Hirshman CA. Role of intracellular pH in relaxation of porcine tracheal smooth muscle by respiratory gases. Am J Physiol. 1995;268:L207–13.
4. Hirota K, Hashiba E, Kabara S, Yoshioka H, Ishihara H, Matsuki A. Unventilated airway is time-dependently constricted in paralyzed dogs. Anesthesiology. 2001;95:1480–4.
5. Bilcíková L, Bauer V, Kolena J. The action of adrenoceptor agonists and antagonists on the guinea pig and dog trachea. Gen Physiol Biophys. 1987;6:87–101.