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Yang J, Kim O, Wu J, Qiu Y (August 2002). "Interaction between tyrosine kinase Etk and a RUN domain- and FYVE domain-containing protein RUFY1. A possible role of ETK in regulation of vesicle trafficking". J. Biol. Chem. 277 (33): 30219–26. doi:10.1074/jbc.M111933200. PMID11877430.