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Fig. 4.

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The photograpy are colony forming image of E. faecalis on trypticase soy agar after photodynamic therapy (PDT). (A) No treated, (B) LED only, (C∼F) 5-aminolevulinic acid (ALA) concentrations each 10, 5, 2.5 and 1.25 mg/mL with irradiation to 630 nm LED.
Korean J Clin Lab Sci 2022;54:273-8
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