1. Soft tissue changes in relationship to movement of hard structures in orthognathic surgery: a preliminary report;Lines;J Oral Surg,1974
2. Soft tissue changes associated with total maxillary advancement: a preliminary study;Dann;J Oral surg,1976
3. Changes in nasal profile after maxillary advancement in cleft and non-cleft patients;Freihofer;J Maxillofac surg,1977
4. Total maxillary advancement with and without hone grafting;Araujo;J Oral Surg,1978
5. Soft-tissue change as a result of maxillary surgery. A preliminary study;Engel;AM J ORTHOD,1979