Are These Truly Rheumatoid Arthritis or Antisynthetase Syndrome Cases?

Abstract

We read with interest the study of Matsushida and colleagues entitled "The Association of Anti-Aminoacyl-Transfer Ribonucleic Acid Synthetase Antibodies in Patients With Rheumatoid Arthritis and Interstitial Lung Disease" 1 published in your journal. We would like to inform you of some of the issues that drew our attention in the related work.