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early studies on animals that first defined that there is such a thing as a stem cell in an adult animal it was hypothesized the same must exist in
humans because some people had had survived radiation injury places like koshima and Nagasaki and that actually then very quickly turned into an effort
to use those stem cells as a so-called bone marrow transplant that work has now
Listen to native speakers pronounce “koshima” in real conversational contexts with synchronized timestamps and subtitles.