About SAITO H
About National Inst. Industrial Health, Kawasaki, JPN
About HISANAGA N
About National Inst. Industrial Health, Kawasaki, JPN
About OKADA Y
About Musashi Inst. Technol., Tokyo, JPN
About HIRAI S
About Musashi Inst. Technol., Tokyo, JPN
About ARITO H
About National Inst. Industrial Health, Kawasaki, JPN
About Industrial Health
About thorium 232
About 電極研磨
About Occupational health,industorial accidents
About Nuclear chemistry,radiochemistry in general
About タングステン
About 不活性ガス
About アーク溶接
About 研磨
About トリウム
About 曝露