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- Corporate/Agency Authors:
- Radiological Health Bureau and Health, Education and Welfare Dept.
- Publisher:
- Radiological Health Bureau
- Date:
- Mar. 1974
- SuDoc number:
- HE 20.4115:973
- Corporate/Agency Authors:
- Food and Drug Administration and Health Fducation, and Welfare Dept.
- Publisher:
- Food and Drug Administration
- Date:
- Mar. 1973
- SuDoc number:
- HE 20.4115:972