Acetylcholine in human muscle.
D000109:Acetylcholine / Q000378:metabolism*; D000293:Adolescent; D000328:Adult; D006801:Humans; D008875:Middle Aged; D009132:Muscles / Q000378:metabolism*; D009157:Myasthenia Gravis / Q000378:metabolism*
D000109:Acetylcholine