Keystone, E. C., Pope, J. E., Thorne, J. C., Poulin-Costello, M., Phan-Chronis, K., Vieira, A., & Haraoui, B. (2016). Two-year radiographic and clinical outcomes from the Canadian Methotrexate and Etanercept Outcome study in patients with rheumatoid arthritis. Rheumatology (Oxford).

Keystone, Edward C., Janet E. Pope, J. Carter Thorne, Melanie Poulin-Costello, Krystene Phan-Chronis, Andrew Vieira, and Boulos Haraoui. "Two-year Radiographic and Clinical Outcomes From the Canadian Methotrexate and Etanercept Outcome Study in Patients With Rheumatoid Arthritis." Rheumatology (Oxford) 2016.

Keystone, Edward C., et al. "Two-year Radiographic and Clinical Outcomes From the Canadian Methotrexate and Etanercept Outcome Study in Patients With Rheumatoid Arthritis." Rheumatology (Oxford) 2016.