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Measurement of PpIX fluorescence in SCC lesions.
Notes: ***P<0.0001. Each point represents the mean ± standard deviation (n=3).
Abbreviations: PpIX, protoporphyrin IX; ALA, 5-aminolevulinic acid; PLGA, polylactic-co-glycolic acid; NPs, nanoparticles; SCC, squamous cell carcinoma.
