title: Gas chromatographic estimation of hydroxyproline.
mesh_terms: D002849:Chromatography, Gas; D002852:Chromatography, Ion Exchange; D005069:Evaluation Studies as Topic; D006801:Humans; D006909:Hydroxyproline / Q000652:urine*; D013058:Mass Spectrometry; D008722:Methods; D012822:Silicon Dioxide; D013997:Time Factors
chemical_list: D012822:Silicon Dioxide; D006909:Hydroxyproline