Seventeenth and eighteenth centuries that medicine emerged as a practice based on science instead of an art based on religion and superstition.
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seventeenth and eighteenth centuries that medicine emerged as a practice based on science instead of an art based on religion and superstition. - This is true.

The 1800's was a groundbreaking period for medical inventions. The stethoscope was also invented in the 1800's. This period also saw the introduction of the first vaccinations. Quinine was also invented at this time and it continued as a major treatment for malaria.

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not sure if this what   you'r looking for would be percent composition