Yoshihiro Okamoto, Yoshimitsu Gotoh, Osamu Uemura, Soichi Tanaka, Tsunesaburo Ando, Mikio Nishida. Age-dependent decrease in serum transforming growth factor (TGF)-beta 1 in healthy Japanese individuals; Population study of serum TGF-beta 1 level in Japanese. Disease Markers. 2005. 21. 2. 71-74
Y Okamoto, Y Gotoh, H Shiraishi, M Nishida. A human dual-color enzyme-linked immunospot assay for simultaneous detection of interleukin 2-and interleukin 4-secreting cells. INTERNATIONAL IMMUNOPHARMACOLOGY. 2004. 4. 1. 149-156
H Ezzeldin, MR Johnson, Y Okamoto, R Diasio. Denaturing high performance liquid chromatography analysis of the DPYD gene in patients with lethal 5-fluorouracil toxicity. CLINICAL CANCER RESEARCH. 2003. 9. 8. 3021-3028
Y Okamoto, M Nishida. Cytokine balance in the pathogenesis of rheumatoid arthritis. YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN. 2001. 121. 2. 131-138