Impact of the combined presence of erosions and ACPA on rheumatoid arthritis disease activity over time: results from the METEOR registry
Sytske Anne Bergstra, Maura C Couto, Nimmisha Govind, Arvind Chopra, Karen Salomon Escoto, Elizabeth Murphy, Tom WJ Huizinga, Cornelia F Allaart
RMD Open Jul 2019, 5 (2) e000969; DOI: 10.1136/rmdopen-2019-000969