title: Automated determination of total hydroxyproline in urine: use of internal standard.
mesh_terms: D000447:Aldehydes; D000814:Aniline Compounds; D001322:Autoanalysis; D006909:Hydroxyproline / Q000652:urine*
chemical_list: D000447:Aldehydes; D000814:Aniline Compounds; D006909:Hydroxyproline