Ina, Yasuhiro; Sakai, Kazuo (2005). “Activation of immunological network by chronic low-dose-rate irradiation in wild-type mouse strains: Analysis of immune cell populations and surface molecules”. International Journal of Radiation Biology81 (10): 721–729. doi:10.1080/09553000500519808.
Ina, Yasuhiro; Sakai, Kazuo (2004). “Prolongation of Life Span Associated with Immunological Modification by Chronic Low-Dose-Rate Irradiation in MRL-lpr/lpr Mice”. Radiation Research161: 168–173. PMID14731073.
Ina, Yasuhiro; Tanooka, Hiroshi; Yamada, Takeshi; Sakai, Kazuo (2005). “Suppression of Thymic Lymphoma Induction by Life-Long Low-Dose-Rate Irradiation Accompanied by Immune Activation in C57BL/6 Mice”. Radiation Research163: 153–168. PMID15658890.
Ina, Yasuhiro; Sakai, Kazuo (2005). “Further Study of Prolongation of Life Span Associated with Immunological Modification by Chronic Low-Dose-Rate Irradiation in MRL-lpr/lpr Mice: Effects of Whole-Life Irradiation”. Radiation Research163: 418–423. PMID15799698.