Figure 1

Carboxyhemoglobin percentage before and following inhalation of CO at 200 ppm for 1 hr (n = 4) or 20 ppm for 2 hrs (n = 4). * = significant from pre value, p < 0.05.
Carboxyhemoglobin percentage before and following inhalation of CO at 200 ppm for 1 hr (n = 4) or 20 ppm for 2 hrs (n = 4). * = significant from pre value, p < 0.05.