title: Identification of collagen in synovial fluid.
mesh_terms: D003094:Collagen / Q000032:analysis*; D006801:Humans; D006909:Hydroxyproline; D007592:Joint Diseases / Q000473:pathology*; D007719:Knee Joint; D008722:Methods; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast; D008859:Microscopy, Polarization; D013582:Synovial Fluid / Q000032:analysis*
chemical_list: D003094:Collagen; D006909:Hydroxyproline