Lu Xianping works in a lab at Shenzhen Chipscreen Biosciences Ltd. in Shenzhen, south China's Guangdong Province, May 20, 2015. Lu Xianping, together with other four returned overseas scientists, spent 14 years to develop Chidamide, the world's first oral HDAC inhibitor, which was given regulatory approval in January. (Xinhua/Mao Siqian)
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