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Chart showing increasing number of mass TB surveys, 1942-1948. Tuberculosis Prevention Branch Annual Report, 1948

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Chart showing increasing number of mass TB surveys, 1942-1948. Tuberculosis Prevention Branch Annual Report, 1948
Chart showing increasing number of mass TB surveys, 1942-1948.
Tuberculosis Prevention Branch Annual Report, 1948
Tuberculosis Reports
Reference Code: RG 10-97
Archives of Ontario, I0040130
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