Annular growth of gullet; left, before radium; right, after radium. Ink drawing, ca. 1930.
- Date:
- 1930
- Reference:
- 572342i
Licence: In copyright
Credit: Annular growth of gullet; left, before radium; right, after radium. Ink drawing, ca. 1930. Wellcome Collection. Source: Wellcome Collection.
