TY - GEN AU - Sigurdardottir,Valgerdur AU - Svärd,Anna TI - Repeated switches between reference product etanercept and biosimilar do not affect disease activity or retention rate of etanercept over 24 months - a cohort study with historical controls SN - 1778-7254 PY - 2019///0909 KW - Biosimilar Pharmaceuticals KW - Cohort Studies KW - Etanercept KW - Humans KW - Rheumatologists N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1016/j.jbspin.2018.12.003 ER -