1. Barnes PJ (1986) Neural control of human airways in health and disease. Am Rev Respir Dis 134: 1289–1314
2. Gross NJ, Skorodin MS (1984) Anticholinergic, antimuscarinic bronchodilators. Am Rev Respir Dis 129: 856–870
3. Gross NJ (1988) Cholinergic control. In: Barnes PJ, Rodger IW, Thomson NC (eds) Asthma: Basic mechanisms and clinical management. Academic Press, London, pp 381–394
4. Van Koppen CJ, Rodrigues de Miranda JF, Beld AJ, Hermanussen MW, Lammers JWJ, van Ginneken CAM (1985) Characterization of the muscarinic receptor in human tracheal smooth muscle. Naunyn-Schmiedeberg’s Arch Pharmacol 331: 247–252
5. Barnes PJ, Nadel JA, Roberts JM, Basbaum CB (1983) Muscarinic receptors in lung and trachea: autoradiographic localization using 3H-Quinuclidinyl benzilate. Eur J Pharmacol 86: 103–106