About HANAOKA SHIGEYUKI
About 化学物質評価研究機構
About chemical weapon
About 旧日本軍
About Toxicity of organic compounds
About Other pollutants
About Sulfur mustard
About Lewisite
About Diphenylcyanoarsine
About Diphenylchloroarsine
About 2'-Chloroacetophenone
About 地中
About 化学兵器
About 日本
About リスク