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A randomized controlled trial of the efficacy and safety of a fixed triple combination (fluocinolone acetonide 0 01%, hydroquinone 4%, tretinoin 0 05%) compared with hydroquinone 4% cream in Asian patients with moderate to severe melasmaCHAN, R; PARK, K. C; SHEK, S et al.British journal of dermatology (1951). 2008, Vol 159, Num 3, pp 697-703, issn 0007-0963, 7 p.Article