Booranaburidej, P., P. Suwannalai, P. Wananuwat, U. Udomsupayakul, and K. Nantiruj. “Clinical Outcomes of Early Intensive Treatment of Rheumatoid Arthritis”. Ramathibodi Medical Journal, vol. 38, no. 2, June 2015, pp. 119-34, https://he02.tci-thaijo.org/index.php/ramajournal/article/view/62979.