Great advances in medical science are based on the sacrifices of some people.

Note that what is mentioned here is "huge progress". If we do not take into account the rapid progress of medical science in a short period of time, then there may not be so many sacrifices, and most of the sacrifices may be animals.

But if you want to achieve leapfrog development in a certain field in a very short period of time, you must sacrifice enough people!

Regardless of any science, the core of progress is

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