1. Intercentre clinical audit for cleft lip and palate — a preliminary European investigation;Shaw,1992
2. Syndromes of the Head and Neck;Gorlin,1990
3. Multiple Congenital Anomalies;Winter,1991
4. Anatomical classification of facial, cranio-facial and latero-facial clefts;Tessier;J Maxillofac Surg,1976
5. Cleft Lip and Palate — a Team Approach;Albery,1986