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—The word "microns" in the abstract "Bactericidal Action of Ultraviolet Light" (The Journal, March 10, 1923, p. 723) should have been "millimicrons" in both instances.
Millimicrons Instead of Microns.. JAMA. 1923;80(15):1084. doi:10.1001/jama.1923.02640420046020
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