title: [Influence of aging and obesity on serum levels of free amino acids and other ninhydrin-positive substances in man].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000596:Amino Acids / Q000097:blood*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007192:Indenes; D008297:Male; D008875:Middle Aged; D009555:Ninhydrin; D009765:Obesity / Q000097:blood*; D012737:Sex Factors
chemical_list: D000596:Amino Acids; D007192:Indenes; D009555:Ninhydrin