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January 25, 1908

Blood Stains: Their Detection and the Determination of Their Source.

JAMA. 1908;L(4):303. doi:10.1001/jama.1908.02530300055027

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The subject matter is divided into ten chapters, treating of the solubility of blood stains, the chemical tests for blood, the spectroscope in the detection of blood stains, the microscope in the detection of blood stains, and the biologico-serologic tests for blood stains. Each of these subjects is discussed from the standpoint of one who is thoroughly familiar with the development of the technic, with the fallacies of the tests in question, with the application of the tests to forensic purposes, and with the proper interpretation of a positive test. This last phase of the subject is particularly well treated. There can be little question that any test for the presence of blood stains must be considered reliable only when the factors influencing its appearance or non-appearance are perfectly understood. For instance, the old guaiac test for blood reacts with so many substances, other than blood, that its value must

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