Wessler, I The cholinergic 'pitfall': acetylcholine, a universal cell molecule in biological systems, including humans. [electronic resource] - Clinical and experimental pharmacology & physiology Mar 1999 - 198-205 p. digital Publication Type: Journal Article; Review ISSN: 0305-1870 Standard No.: 10.1046/j.1440-1681.1999.03016.x doi Subjects--Topical Terms: Acetylcholine--physiologyAnimalsCholinesterases--metabolismEvolution, MolecularHumansNeurons--physiology