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November 12, 1887


JAMA. 1887;IX(20):622-624. doi:10.1001/jama.1887.02400190014002

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Proposed Chemical Lung Test.  Dr. Zaleski, of the Dorpat Physiological Institute, has published in the Vrach (No. 32) an account of some researches he has been making with the object of introducing a new lung test, which may be trusted to give satisfactory results in cases where the hydrostatic test is inapplicable or of doubtful value. He suggests that, as at the moment of birth there is not only an influx of air into the lungs, but a very marked increase in the blood circulating through them, and as blood contains in a tolerably definite proportion, the quantity of iron found in the lungs should furnish a clue to the question as to whether the child had breathed or not. He examined the lungs of four stillborn children and of three children born alive; also those of a healthy man who had been killed by an accident. Having of

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