TY - GEN AU - Bossuyt,Xavier TI - Anticitrullinated protein antibodies: taking into account antibody levels improves interpretation SN - 1468-2060 PY - 2019///0523 KW - Citrulline KW - Rheumatoid Factor KW - Sweden N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1136/annrheumdis-2016-211039 ER -