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Credit
Influence of food preservatives and artificial colors on digestion and health : I. Boric acid and borax / By H.W. Wiley with the collaboration of W.D. Bigelow ... and others. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.