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- Corporate/Agency Authors:
- Hygienic Laboratory, Public Health Service, and Treasury Department
- Publisher:
- Hygienic Laboratory
- Date:
- Apr. 1918
- Corporate/Agency Authors:
- Hygienic Laboratory, Public Health Service, and Treasury Department
- Publisher:
- Hygienic Laboratory
- Date:
- Apr. 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Revised Apr. 1918. 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 26, 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 26, 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 8, calendar day Mar. 11, 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 8, 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Feb. 15, 1918
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Feb. 4, 1918
- Corporate/Agency Authors:
- Public Health Service and Smithsonian Institution
- Publisher:
- Public Health Service
- Date:
- Revised Feb. 1918. 1918