Slow-K "the only satisfactory method of giving potassium by mouth" ...
- Date:
- [approximately 1966]
Licence: In copyright
Credit: Slow-K "the only satisfactory method of giving potassium by mouth" ... Source: Wellcome Collection.
Licence: In copyright
Credit: Slow-K "the only satisfactory method of giving potassium by mouth" ... Source: Wellcome Collection.