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Comparison of conventional (left column) and streamlined (right column) designs(69): (a, b) nebulizer T-connectors; (c, d) Y-connectors for invasive ventilation; (e, f) nasal cannula for high-flow nasal cannula (HFNC) therapy; (g, h) Y-connectors for low-flow oxygen therapy; (i, j) nasal cannula for low-flow oxygen therapy.
