1. Cleft lip and palate;Mossey;Lancet,2009
2. Facial clefting and its syndromes;Gorlin;Birth Defects Orig Artic Ser,1971
3. Differences in the clinical appearances of white versus black patients with facial cleft deformities: a retrospective study of a South African clinic;Butow;SADJ,2007
4. An update on the aetiology of orofacial clefts;Wong;Hong Kong Med J,2004
5. Genetic and teratogenic approaches to craniofacial development;Young;Crit Rev Oral Biol Med,2000