title: Increased protocollagen proline hydroxylase activity in synovial tissue in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000201:enzymology*; D001205:Ascorbic Acid / Q000378:metabolism; D001706:Biopsy; D002247:Carbon Isotopes; D003094:Collagen / Q000096:biosynthesis*; D006801:Humans; D007501:Iron / Q000378:metabolism; D007656:Ketoglutaric Acids / Q000378:metabolism; D006899:Mixed Function Oxygenases / Q000378:metabolism*; D010100:Oxygen; D011392:Proline; D013583:Synovial Membrane / Q000201:enzymology*
chemical_list: D002247:Carbon Isotopes; D007656:Ketoglutaric Acids; D003094:Collagen; D011392:Proline; D007501:Iron; D006899:Mixed Function Oxygenases; D001205:Ascorbic Acid; D010100:Oxygen