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. 2019 Apr 26;8(4):e12990. doi: 10.2196/12990

Figure 1.

Figure 1

The light-emitting, fabric-based device involved in photodynamic therapy using the phosistos protocol: 635-nm red light is emitted at 1.3 mW/cm2 by a fiber optic–based fabric that lines the inside of a cap.