RT Journal Article SR Electronic T1 Therapeutic benefits of irsogladine maleate on aphthous stomatitis induced by methotrexate in rheumatoid arthritis. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2082 OP 2083 VO 30 IS 9 A1 Tadashi Yoshida A1 Michito Hirakata YR 2003 UL http://www.jrheum.org/content/30/9/2082.abstract AB