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(a) Relative tumor volume for porphysome-PDT (10 mg/kg, 24 h DLI, n = 20) and Photofrin-PDT (5 mg/kg, 24 h DLI, n = 20) with 30 d follow-up post PDT. Mean ± 1 S.D. with half bars shown for clarity. (b) Relative tumor volume for porphysome-PDT, Photofrin-PDT, porphysome-only (10 mg/kg, no light, n = 5), and Photofrin-only (5 mg/kg, no light, n = 5) with 30 d follow-up post PDT. Mean ± 1 S.D. with half bars shown for clarity.
