1. Bec-de-lievre. Formes Cliniques-Chirurgie;Veau,1938
2. Size, surface and volume of cell nuclei in the periosteum;Knese;Z Mikr Anat Forsch,1972
3. [Surgical Methods in bilateral total palatal clefts];Pichler;Zentralbl Chir,1927
4. Evaluation of the result of surgery on cleft lip and palate due to skeletal growth determinants of the cranial base;Joos;J Craniomsaxillofac Surg,1989
5. Long-term results after repair of unilateral cleft lip alveolus and palate;Joos;Oral Maxillofac Surg Clin,2000