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Tsang, Yiu Huen; Han, Xianxian; Man, Wing Yu; Lee, Nelson; Poon, Randy Y. C.; Lee, Kyung S. . (2012). Novel Functions of the Phosphatase SHP2 in the DNA Replication and Damage Checkpoints. PLoS ONE, 7(11), e49943–. doi:10.1371/journal.pone.0049943 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research