Journal of Investigative Dermatology

FIGURE 4

FROM:

Topical ALA-Photodynamic Therapy for the Treatment of Acne Vulgaris

Wichai Hongcharu, Charles R Taylor, Yuchiao Chang, David Aghassi, Kittisak Suthamjariya and R Rox Anderson

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Figure 4.

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Fluorescence of porphyrin from bacteria in follicles (red dots) decrease after a single PDT. Photographs were taken as described at baseline (A), week 3 (B), and week 20 (C) post-PDT.

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