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↑ abChang, Lufen; Zhou Bingsen, Hu Shuya, Guo Robin, Liu Xiyong, Jones Stephen N, Yen Yun (Nov. de 2008). «ATM-mediated serine 72 phosphorylation stabilizes ribonucleotide reductase small subunit p53R2 protein against MDM2 to DNA damage». Proc. Natl. Acad. Sci. U.S.A. (United States) 105 (47): 18519-24. PMID19015526. doi:10.1073/pnas.0803313105.La referencia utiliza el parámetro obsoleto |coautores= (ayuda)