title: Are Rheumatoid Factor, Anti-Citrullinated Protein Antibodies, and Anti-Carbamylated Protein Antibodies Linked by Posttranslational Modification of IgG? Comment on the Article by Koppejan et al.
authors.affiliation: Royal Cornwall Hospital Trust, Truro, UK and University of Exeter Medical School, Exeter, UK.
authors.forename: David
authors.initials: D
authors.lastname: Hutchinson
authors.affiliation: Royal Cornwall Hospital Trust, Truro, UK.
authors.forename: Daniel
authors.identifier: 0000-0001-9998-5265
authors.initials: D
authors.lastname: Murphy
authors.affiliation: University of Exeter Medical School, Exeter, UK.
authors.forename: Alex
authors.initials: A
authors.lastname: Clarke
authors.affiliation: University of Exeter Medical School, Exeter, UK.
authors.forename: Paul
authors.initials: P
authors.lastname: Eggleton
mesh_terms: D000075422:Anti-Citrullinated Protein Antibodies; D001172:Arthritis, Rheumatoid; D001323:Autoantibodies; D007074:Immunoglobulin G; D010456:Peptides, Cyclic; D011499:Protein Processing, Post-Translational; D012217:Rheumatoid Factor
chemical_list: D000075422:Anti-Citrullinated Protein Antibodies; D001323:Autoantibodies; D007074:Immunoglobulin G; D010456:Peptides, Cyclic; D012217:Rheumatoid Factor