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Acne scars treated with skin needling: a revolving barrel equipped with multiple rows of needles is rolled across the skin.
(Adapted with permission from Fabbrocini G, Fardella N, Monfrecola A, Proietti I, Innocenzi D. Acne scarring treatment using skin needling. Clin Exp Dermatol. 2009;34:874-879).
