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  • Title: Carbon monoxide in firemen before and after exposure to smoke.
    Author: Levy AL, Lum G, Abeles FJ.
    Journal: Ann Clin Lab Sci; 1976; 6(5):455-8. PubMed ID: 970930.
    Abstract:
    A statistically significant difference was found between the mean baseline carboxyhemoglobin of non-smoking firemen (COHb 2.53, sd = 1.05, n = 32) and smoking firemen (COHb 5.54, sd = 2.61, n = 26). A consistent increase in mean COHb levels after exposure to smoke was seen in both non-smoking (4.41 sd = 2.95, n = 7) and smoking men (8.74, sd = 5.66, n = 11), but the mean increase in these two groups was statistically significant only at the 90 percent level (t = 1.85, df = 16, p less than 0.1).
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