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- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Revised edition, June, 1920. 1920
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- May 24, 1920
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- May 1, 1920
- Corporate/Agency Authors:
- Public Health Service
- Publisher:
- Public Health Service
- Date:
- Apr. 19, 1920
- Corporate/Agency Authors:
- Public Health Service
- Publisher:
- Public Health Service
- Date:
- Apr. 5, 1920
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Apr. 1920
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 27, 1920
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 19, 1920
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 10, 1920
- Corporate/Agency Authors:
- Public Health Service and Treasury Department
- Publisher:
- Public Health Service
- Date:
- Mar. 3, 1920