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. 2019 Jun 6;11(6):527. doi: 10.3390/v11060527

Figure 1.

Figure 1

(A) Exosomes were extracted from naive and Newcastle disease virus (NDV)-infected HeLa cells. (B) The images of exosomes secreted by NDV-infected and naive HeLa cells were obtained using TEM. The size bar is 100 nm.