title: Collagen-related hydroxyproline in rheumatoid and osteoarthritic synovial fluids.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D003094:Collagen / Q000378:metabolism*; D006801:Humans; D006909:Hydroxyproline / Q000032:analysis*; D008875:Middle Aged; D010003:Osteoarthritis / Q000175:diagnosis*; D013582:Synovial Fluid / Q000032:analysis*
chemical_list: D003094:Collagen; D006909:Hydroxyproline