Hormonal (peristaltic hormon) / according to Dr Zuelzer.
- Zuelzer, G. (Georg), 1870-1949.
- Date:
- [between 1900 and 1999?]
Licence: In copyright
Credit: Hormonal (peristaltic hormon) / according to Dr Zuelzer. Source: Wellcome Collection.
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Licence: In copyright
Credit: Hormonal (peristaltic hormon) / according to Dr Zuelzer. Source: Wellcome Collection.