Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Scientist pipetting with microcapillary. Mol. Biophysics, Oxford Univ.. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/B0000383/full/800%2C/0/default.jpg)
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Scientist pipetting with microcapillary. Mol. Biophysics, Oxford Univ.. Source: Wellcome Collection.