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. 2019 May 7;15(4):472–481. doi: 10.1016/j.ajps.2019.03.001

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© 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 4 — Characterization of SK-BR-3 and SK-BR-3 sphere cells. (A) Shape of SK-BR-3 and SK-BR-3 sphere cells. (B) Expression of CD44/CD24 analyzed by flow cytometry. (C) Relative expression of let-7a in SK-BR-3 cells and SK-BR-3 sphere cells analyzed by qRT-PCR.