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Background
Photodynamic therapy had made great progress in the treatment of acne vulgaris. However, there is no meta‐analysis on the effectiveness and safety of red light therapy for acne vulgaris.
Objective
To assess the efficiency and safety of red light therapy for acne vulgaris.
Methods
PubMed, Cochrane Library, EMBASE, and Web of Science were retrieved to identify related studies. The outcomes...
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