[Questionnaire survey for the fitness of protective equipment used by workers].
Hattori
Y
Y
Nippon Steel Corporation Yawata Works, Kitakyushu, Japan.
Kodama
Y
Y
Kawamoto
T
T
D006801:Humans; D016272:Occupational Health; D011482:Protective Devices / Q000592:standards*; D011795:Surveys and Questionnaires