RESPIRATORY HAZARDS IN WELDING.
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Gas Poisoning↗
Biomedical subjects
P J CHALLEN
Publications and source records attributed to P J CHALLEN.
A preliminary study of some health hazards in the plasma jet process.
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Hazardous Substances↗
A study of noise in a circularsaw shop and its effect on hearing.
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Deafness↗
Chronic chloroform intoxication.
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Chloroform↗
An investigation of some health hazards in an inert-gas tungsten-arc welding shop.
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Hazardous Substances↗
Some observations on occupational health services in the U.S.A. and Canada.
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Canada↗
The Occupational Hygiene Service, Slough.
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Humans↗