title: Effect of aging on free amino acids and electrolytes in leg skeletal muscle.
mesh_terms: D000368:Aged; D000375:Aging; D000409:Alanine / Q000378:metabolism; D000596:Amino Acids / Q000097:blood / Q000378:metabolism*; D001120:Arginine / Q000378:metabolism; D002956:Citrulline / Q000378:metabolism; D004573:Electrolytes / Q000378:metabolism*; D006639:Histidine / Q000378:metabolism; D006801:Humans; D007866:Leg / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000378:metabolism*; D014867:Water / Q000378:metabolism
chemical_list: D000596:Amino Acids; D004573:Electrolytes; D014867:Water; D002956:Citrulline; D006639:Histidine; D001120:Arginine; D000409:Alanine