Measurement of urine nicotine of passive smokers
Tianjin Medical University, Ma Feng-ge
In winter season,the content of nicotine and coti-nine of 24 - hour urine of 10 attendants on long distance through tram were compared with those of 10 without passive smoking. The former were higher than the later. The difference was quite significant. The results showed that the effect of passive smoking on health should not be ignored.
【CateGory Index】： R163