Garrè, Carl, 1857-1928, Barcroft, David M · New York : Wood · leaf 55
lated, as required, by the anaesthetist. The large rubber balloon placed in front of the mask lessens thevariation of pressure on inspiration and expiration, which wouldotherwise be considerable and disturbing; it makes breathingeasier. The pressure in the whole system is regulated by a water…
Lungs · Tuberculosis · Scientific apparatus and instruments · Lung
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