title: [Free amino acids and related ninhydrin-positive substances in the muscle in progressive muscular dystrophy].
mesh_terms: D000293:Adolescent; D000328:Adult; D000596:Amino Acids / Q000032:analysis*; D002648:Child; D006801:Humans; D007202:Indicators and Reagents; D008297:Male; D009132:Muscles / Q000032:analysis*; D009136:Muscular Dystrophies / Q000378:metabolism*
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents