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《Occupation and Health》 1995-06
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Study of CO content of expired air of passive smokers

Faculty of Public Health ,Tianjin Medical Univer-sity Sun Yu - hua  
We measured the CO content of expired air of 40 passive smokers and 40 non - passive smokers from different departments of Tianjin Medical College. The CO contents of expired -air of passive smokers were significantly higher than those of persons without passive smoking(P0.01).
【CateGory Index】: R163
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