To assess the contribution of lead in motor exhaust to the total uptake of lead it is necessary to know the amount deposited in the lungs, the uptake thence to blood and other tissues, and the rate of excretion from the body. There (Fig. 1). A similar effect was obtained by drawing the usual chain-aggregate type aerosol through a humidifier.In some experiments the container was exposed to sunlight for about 1 hr so that the aerosol received ultra-violet radiation before inhalation took place.
InhalationThe subjects, who were seated at rest, inhaled the by copyright.
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