1. Palatal fistulae following cleft palate surgery;Abyholm;Scandinavian Journal of Plastic and Reconstructive Surgery,1979
2. Le Fort I osteotomy for correction of maxillary deformities;Bell;Journal of Oral Surgery,1975
3. Treatment of cleft lip and palate. Part IV. Cleft lip and palate cases, presenting at a late age;Bütow;Journal of the Dental Association of South Africa,1984
4. A lateral photometric analysis for aesthetic-orthognathic treatment;Bütow;Journal of Maxillofacial Surgery,1984