File:PSM V82 D358 Hygienic lab of the us public health service in dc.png
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![File:PSM V82 D358 Hygienic lab of the us public health service in dc.png](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/PSM_V82_D358_Hygienic_lab_of_the_us_public_health_service_in_dc.png/800px-PSM_V82_D358_Hygienic_lab_of_the_us_public_health_service_in_dc.png?20120814082213)
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