{Reference Type}: Letter {Title}: Comparable drug levels and immunogenicity in patients with axial spondyloarthritis treated with adalimumab originator and biosimilar: A retrospective study from two centers of China. {Author}: Fu ZC;Cheng XG;Zhang GW;Shi RG;Zhang LJ;Sun HT;Huang JX; {Journal}: Int J Rheum Dis {Volume}: 27 {Issue}: 5 {Year}: 2024 May {Factor}: 2.558 {DOI}: 10.1111/1756-185X.15190