A method of estimating accurately and quickly the correct x-ray dosage as measured by the pastilles of Drs. Sabouraud and Noiré / issued by W. Watson & Sons, Ltd.
- Watson & Sons (Electro-Medical Ltd)
- Date:
- [1916?]
Licence: Public Domain Mark
Credit: A method of estimating accurately and quickly the correct x-ray dosage as measured by the pastilles of Drs. Sabouraud and Noiré / issued by W. Watson & Sons, Ltd. Source: Wellcome Collection.
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