RETRACTED ARTICLE: Safety and effectiveness of high-dose methotrexate (over 8 mg/week) in 2838 Japanese patients with rheumatoid arthritis: A postmarketing surveillance report
Mod Rheumatol. 2020 Jan;30(1):vii-xviii.
doi: 10.1080/14397595.2017.1304857.
Epub 2017 Apr 11.