title: Letters: Glycosaminoglycan composition of the proteoglycans from cartilage of young and old animals.
mesh_terms: D000375:Aging; D000818:Animals; D002356:Cartilage / Q000032:analysis* / Q000254:growth & development; D002417:Cattle; D002850:Chromatography, Gel; D004423:Ear / Q000032:analysis / Q000254:growth & development; D005260:Female; D006025:Glycosaminoglycans / Q000032:analysis* / Q000378:metabolism; D006595:Hexosamines / Q000032:analysis; D006909:Hydroxyproline / Q000032:analysis; D007719:Knee Joint / Q000032:analysis; D009584:Nitrogen / Q000032:analysis; D013431:Sulfates / Q000032:analysis; D014574:Uronic Acids / Q000032:analysis
chemical_list: D006025:Glycosaminoglycans; D006595:Hexosamines; D013431:Sulfates; D014574:Uronic Acids; D009584:Nitrogen; D006909:Hydroxyproline