Naoki Ikegami. The Japanese health care system: Its success and challenges for the future. Harvard Health Policy Review, 9(1), p110-117, 2008
Naoki Ikegami. Japan's long-term care insurance. British Journal of Healthcare Management, 14(12), p548-551, 2008
John Creighton Campbell and Naoki Ikegami. Review of Health Care Issues in the United States and Japan. The Journal of Japanese Studies, 34(1), p133-137, 2008
Mabuchi F, Yoshimura K, Kashiwagi K, Shioe K, Yamagata Z, et al. High prevalence of anxiety and depression in patients with primary open-angle glaucoma. J Glaucoma, 217(7), p552-7, 2008
Ochiai H, Nakanishi Y, Fukasawa Y, Sato Y, Yoshimura K, et al. A new formula for predicting liver metastasis in patients with colorectal cancer: immunohistochemical analysis of a large series of 439 surgically resected cases, Oncology, 75(1-2), p32-41, 2008
Ohnami S, Sato Y, Yoshimura K, Ohnami S, Sakamoto H, et al. His595Tyr polymorphism in the methionine synthase reductase (MTRR) gene is associated with pancreatic cancer risk. Gastroenterology, 35(2), p477-88, 2008
Study Group of Millennium Genome Project for Cancer, Sakamoto H, Yoshimura K, et al. Genetic variation in PSCA is associated with susceptibility to diffuse-type gastric cancer. Nat Genet, 40(6), p730-40, 2008
Naoki Ikegami and John Creighton Campbell. (Editorial) Dealing with the medical axis-of-power: the case of Japan. Health Economics, Policy and Law, 3(Part2), p107-113, 2008
Naoki Ikegami. Long-Term-Care Financing: International Perspective. Capezuti EA, et al (Eds.): The Encyclopedia of Elder Care: the comprehensive resource on geriatric and social care. P482-484, Springer Publishing Company, NY, 2008
Naoki Ikegami. (Chapter 58)Providing care for the ageing society. Florian Coulmas, et al (Eds.): The Demographic challenge: A Handbook about Japan. P1049-1064, Koninklijke Brill NV, Leiden, 2008
Naoki Ikegami. Merging of primary and tertiary prevention in the aging society - The case of Japan. Bruce Rosen, et al (Eds.): Health Systems: Are we in a Post Reform Era? P31-50, The Israel National Institute of Health Policy and Health Services Research, Tel Hashomer, 2008
Naoki Ikegami. Health system of Japan. Kris Heggenhougen and Stella Quah (Eds.): International Encyclopedia of Public Health Vol.4. P1-8, Academic Press, San Diego, 2008