In this case, two young scientists, Holger Willenbring and Xin Chen, were trying to study a deadly, and fairly common, form of liver cancer called hepatocellular carcinoma.

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Mr Chen says priority will be given to young students aged between five and 19, vulnerable groups such as those with respiratory diseases and pregnant women, and front-line public service personnel.

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The contemporary arena provided collectors with extraordinary choices, including a plethora of paintings by today's ''it'' artists, a cabal of young Chinese painters including Liu Ye, Yue Minjun and Chen Zhen.

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Several young female players on the WTA Tour sport her collection in tournament play, including Sofia Arvidsson, Kai-Chen Chang, Indy De Vroome, Andrea Hlavackova, Madison Keys and Anastasia Pivovarova.

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