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El-Sayed A, Masuda T, Khalil I, Akita H, Harashima H.El-Sayed A, et al. Among authors: masuda t.J Control Release. 2009 Sep 1;138(2):160-7. doi: 10.1016/j.jconrel.2009.05.018. Epub 2009 May 21.J Control Release. 2009.PMID: 19465073