Science Signaling (2013) - Comment
pubmed: 23633675  doi: 10.1126/scisignal.2003884  issn: 1945-0877  issn: 1937-9145 

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Xiangming Ding, Hongya Pan, Jiong Li, Qi Zhong, Xiaohong Chen, Sarah M. Dry, Cun-Yu Wang