| RefNo | HF/1/4/1/2 |
| Previous numbers | 98HF.56.2.1-22 |
| Level | File |
| Title | Reports and correspondence concerning Ayfivin Hydrochloride |
| Date | 1946 - 1947 |
| Description | Included is information on the testing of this substance. |
| Extent | 1 folder |
| Format | Carbon copies and typescript documents |
| AccessStatus | Open |