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\bibitem{El-Gogary_etal2014} {\textquotedblleft}\textit{Polyethylene glycol conjugated polymeric nanocapsules for targeted delivery of quercetin to folate-expressing cancer cells in vitro and in vivo}{\textquotedblright}.  El-Gogary RI, Rubio N, Wang JTW, Al-Jamal WT, Bourgognon M, Kafa H, Naeem M, Klippstein R, Abbate V, Leroux F, Bals S, Van Tendeloo G, Kamel AO, Awad GAS, Mortada ND, Al-Jamal KT;, ACS nano \textbf{8}, 1384 (2014).   http://doi.org/10.1021/nn405155b

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