| RefNo | HF/1/3/2/6/40 |
| Previous numbers | 98HF.35.6.40 |
| Level | Item |
| Title | Letter from Howard Walter Florey to C G Pope, Wellcome Physiological Laboratories, Beckenham |
| Date | 19 April 1943 |
| Description | Sending samples assayed by Heatley - suspects that products talked of as containing 1000 u/mg are very similar to those to which Florey has assigned fewer units - gives reasons for this.
With note about samples |
| Extent | 2pp |
| Format | Carbon copy and Manuscript |
| AccessStatus | Open |