Comparative Effectiveness of Tocilizumab Versus TNF Inhibitors as Monotherapy or in Combination With Conventional Synthetic Disease-Modifying Antirheumatic Drugs in Patients With Rheumatoid Arthritis After the Use of at Least One Biologic Disease-Modifying Antirheumatic Drug: Analyses From the Pan-European TOCERRA Register Collaboration

Annals of the Rheumatic Diseases - United Kingdom

doi 10.1136/annrheumdis-2017-212845