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9Millard DRJ, Latham RA. Improved primary surgical and dental treatment of clefts[J]. Plast Reconstr surg,1990,86(5):856-858
10Samuel M,Norrdhof F. Complete cheiloplasty. The Surgical technique for the unilateral cleft lip-nasal deformity [J]. Nordhoff Craniofacial Foundation,2000,1-30