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The in vivo release curve of apatinib formulations. Apa-Sol or Apa-MS was injected in tumor tissues. The release rates of apatinib in tumors from Apa-Sol or Apa-MS at the indicated time points are shown (mean ± SD, n = 10).
Abbreviations: Apa-Sol, apatinib solution; Apa-MS, apatinib microcrystal formulation.
