TY - GEN AU - Boeters,Debbie M AU - van der Helm-van Mil,Annette H M TI - Response to: "Does ACPA-negative RA consist of subgroups related to sustained DMARD-free remission and serological markers at disease presentation" by Masi and Fleischmann SN - 1478-6362 PY - 2020///0428 KW - Antirheumatic Agents KW - Arthritis, Rheumatoid KW - Biomarkers KW - Humans KW - Remission Induction N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1186/s13075-020-02152-9 ER -