Cholinergic drugs (acetylcholine and methacholine ... in airway resistance. Muscarinic (M) receptors involved in the airway tone regulation are as follows: M1 receptors, present on the cholinergic ...
Correspondence to Dr Peter Ong, Department of Cardiology, Robert-Bosch Krankenhaus, Auerbachstr. 110, 70376 Stuttgart, Germany; Peter.Ong{at}rbk.de ...