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