Cholinergic
https://en.m.wikipedia.org/wiki/Cholinergic
Cholinesterase
https://en.m.wikipedia.org/wiki/Cholinesterase
Acetylcholinesterase
https://en.m.wikipedia.org/wiki/Acetylcholinesterase
Parasympathomimetic drug
https://en.m.wikipedia.org/wiki/Parasympathomimetic_drug
Muscarinic acetylcholine receptor
https://en.m.wikipedia.org/wiki/Muscarinic_acetylcholine_receptor
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