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2. Syndromes of the head and neck;Gorlin,2001
3. Recognizable patterns of human malformation. Genetic, embryologic and clinical aspects;Smith,1982
4. Associated anomalies in asymmetric crying facies and 22q11 deletion;Akcakus;Genet. Couns.,2003
5. Van der Woude syndrome: a report of two cases;King;J. Clin. Pediatr. Dent.,2004