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Health and Social Welfare. Nature 148, 703–706 (1941). https://doi.org/10.1038/148703a0
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DOI: https://doi.org/10.1038/148703a0
Nature volume 148, pages 703–706 (1941)
Health and Social Welfare. Nature 148, 703–706 (1941). https://doi.org/10.1038/148703a0
Issue Date:
DOI: https://doi.org/10.1038/148703a0