Activation of antioxidant activity in natural medicinal products by heating, brewing and lipophilization. A new drug delivery system.Y Niwa, Masao Negishi, T Kanoh et al.|PubMed|1988Cited by 88
Role of Cytokines, Tyrosine Kinase, and Protein Kinase C on Production of Superoxide and Induction of Scavenging Enzymes in Human LeukocytesY Niwa, Masahiro Kurisaka, Yoshisuke Ozaki et al.|Clinical Immunology and Immunopathology|1996Cited by 61
Age-dependent basal level and induction capacity of copper-zinc and manganese superoxide dismutase and other scavenging enzyme activities in leukocytes from young and elderly adults.Y Niwa, T Kanoh, Osamu Iizawa et al.|PubMed|1993Cited by 49
Transient autoantibodies with elevated complement levels in common viral diseases.Y Niwa, Mineyuki Yokoyama, Tsuyoshi Sakane et al.|PubMed|1984Cited by 26
Electromagnetic wave emitting products and ?Kikoh? potentiate human leukocyte functionsYukie Niwa, T Kanoh, Xiaoxia Jiang et al.|International Journal of Biometeorology|1993Cited by 18