About Sonoda, Tomoko
About Department of Public Health, Sapporo Medical University, School of Medicine
About Mori, Mitsuru
About Department of Public Health, Sapporo Medical University, School of Medicine
About Ishida, Tadao
About First Department of Internal Medicine, Sapporo Medical University, School of Medicine
About Mori, Masamitsu
About First Department of Internal Medicine, Sapporo Medical University, School of Medicine
About Sakai, Hajime
About First Department of Internal Medicine, Sapporo Medical University, School of Medicine
About Imai, Kohzoh
About First Department of Internal Medicine, Sapporo Medical University, School of Medicine
About Noguchi, Makoto
About Department of Oral Surgery, Sapporo Medical University, School of Medicine
About Asian Pacific Journal of Cancer Prevention