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. 2020 Sep 23;17(17):2696–2702. doi: 10.7150/ijms.50657

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Tool for fit factor analyses (PortaCount® Pro+ Modelo 8038; Figure 2A), mask (Figure 2B) and leak-proof kit of catheters and adapters (TSI, Tsi Inc, St Paul, MN, USA: Figure 2C).