2015's Nobel laureate in Physiology or Medicine Tu Youyou stands on stage during the Nobel Prize award ceremony at the Concert Hall in Stockholm, capital of Sweden, Dec. 10, 2015. (Photo: Xinhua/Ye Pingfan)
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2015's Nobel laureate in Physiology or Medicine Tu Youyou stands on stage during the Nobel Prize award ceremony at the Concert Hall in Stockholm, capital of Sweden, Dec. 10, 2015. (Photo: Xinhua/Ye Pingfan)
