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This is to certify that your paper entitled «Comparison Efficacy of IPL (Intense Pulsed Light) combined with oral Azithromycin with oral Azithromycin alone in the treatment of moderate to Sever Papulopustular Acne Vulgaris» was indexed with 1 pages, in the CIVILICA citation database, code COI:DNWMED04_009, after evaluation and approval of the referees of the "The 4th Northwest Dermatology Congress in Iran held in Tabriz 2018.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.