"113964917"@en-us . "a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems"@en-us . . . . "acetylcholine"^^ . . "110623541"@en-us . "0"^^ . . . "a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems"@en-us . . . . "14808418-n"^^ . "0"^^ . "114808418"^^ . "acetylcholine"@en-us .