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Ikeda, Kazuki, Takefumi Nakamura, Takahiro Kinoshita, Mikio Fujiwara, Suguru Uose, Hitoshi Someda, Takashi Miyoshi, Katsuhiro Io, and Ken-ichi Nagai. "Methotrexate-related Lymphoproliferative Disorder of the Stomach in a Patient With Rheumatoid Arthritis: A Case of Disease Regression After Methotrexate Cessation." Clin J Gastroenterol 2016.

Ikeda, Kazuki, et al. "Methotrexate-related Lymphoproliferative Disorder of the Stomach in a Patient With Rheumatoid Arthritis: A Case of Disease Regression After Methotrexate Cessation." Clin J Gastroenterol 2016.