PT - JOURNAL ARTICLE AU - Xavier Bossuyt TI - Anticitrullinated protein antibodies: taking into account antibody levels improves interpretation AID - 10.1136/annrheumdis-2016-211039 DP - 2017 Sep 01 TA - Annals of the Rheumatic Diseases PG - e33--e33 VI - 76 IP - 9 4099 - http://ard.bmj.com/content/76/9/e33.short 4100 - http://ard.bmj.com/content/76/9/e33.full SO - Ann Rheum Dis2017 Sep 01; 76