Margaret Hutchinson, certifying penicillin samples at the FDA
| Title | Margaret Hutchinson, certifying penicillin samples at the FDA |
|---|---|
| Description | Photograph of Margaret Hutchinson at the FDA. Image on Wikimedia, from National Archives FDA records series 88.11 |
| Source | https://commons.wikimedia.org/wiki/File:Certifying_Samples_of_Penicillin_(FDA_123)_(8205669111).jpg |
| Courtesy of National Archives | |
| Rights | Public domain |