Correction to: Comparative Effectiveness of Combining MTX with Biologic Drug Therapy Versus Either MTX or Biologics Alone for Early Rheumatoid Arthritis in Adults: a Systematic Review and Network Meta-analysis.

Donahue, Katrina E; Schulman, Elizabeth R; Gartlehner, Gerald; Jonas, Beth L; Coker-Schwimmer, Emmanuel; Patel, Sheila V; Weber, Rachel Palmieri; Bann, Carla M et al. · J Gen Intern Med · 2020

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This article has been amended to include open access.