Abstract
Summary
The role of the lung in affecting the translocation of inhaled Sr90SO4 was evaluated by exposing a dog to a Sr90SO4 aerosol through a tracheal fistula. About one-half of the Sr-Y90 deposited was rapidly translocated to the bone, and only 2% was retained in the lung one week after exposure. Fifteen per cent was cleared via the trachea, probably by the ciliary processes.
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