Response to 'Correspondence on "Tumour necrosis factor inhibitors slow radiographic progression in patients with ankylosing spondylitis: 18-year real-world evidence" by Zhang et al.
Bon San KooJi Seon OhSeo Young ParkJi Hui ShinGa Young AhnSeunghun LeeKyung Bin JooTae Hwan KimPublished in: Annals of the rheumatic diseases (2020)