リンク LWW Thyroid Cancer Detection by Ultrasound Among Residents Ages... : Epidemiology Background: After the Great East Japan Earthquake and Tsunami in March 2011, radioactive elements were released from the Fukushima Daiichi Nuclear Power Plant. Based on prior knowledge, concern emerged about whether an increased incidence of thyroid cance 論文表1の9地区の区割りは以下のとおり。 (1) Nearest area (2011年度に先行して1巡目検査が行わ