References
- Bradley J W. Distribution-free statistical test. Prentice-Hall, London 1968; 68–86
- Cosman B, Falk A S. Delayed hard palate repair: a cautionary report. Cleft Palate J 1980; 17: 27–33
- Henningsson G, Isberg A. Multidisciplinary management of cleft lip and palate: oronasal fistulas and speech production, J Bardach, H Morris. WB Saunders, Philadelphia 1990; 787–792
- Jackson I T, McLennan G, Scheker L R. Primary veloplasty or primary palatoplasty: some preliminary findings. Plast Reconstr Surg 1983; 72: 153–157
- Johanson B, Lilja J, Friede H, Möller M. Early treatment of cleft lip and palate: the evolution of the therapeutic approach to cleft lip and palate in Gothenburg, M Hotz, W Gnoinski, M Perko, et al. Hans Huber Publishers, Toronto 1986; 85–89
- Lilja J, Friede H, Johanson B. Changing philosophy of surgery of the cleft lip and palate in Göteborg, Sweden. Cleft lip and palate—Perspectives in management with an introduction to other craniofacial anomalies, S. Berkowitz. Singular Press, San Diego, California 1995
- Lohmander-Agerskov A, Söderpalm E. Evaluation of speech after completed late closure of the hard palate. Folia Phoniatr 1993; 45: 25–30
- Lohmander-Agerskov A, Söderpalm E, Friede H, Lilja J. A longitudinal study of speech in 15 children with cleft lip and palate treated by late repair of the hard palate. Scand J Plast Reconstr Surg Hand Surg 1995; 29: 21–31
- Lohmander-Agerskov A, Dotevall H, Lith A, Söderpalm E. Residual clefts in the hard palate: speech and velopharyngeal function and the influence of temporary covering. Cleft Palate Cranicfac J 1996, Accepted for publication
- Perko M A. Two-stage closure of cleft palate. J Maxillofac Surg 1987; 7: 76–80
- Schweckendiek W. Primary velopiasty: long-term results without maxillary deformity. A twenty-five year report. Cleft Palate J 1978; 15: 268–274
- Semb G, Bergland O, Shaw W. What is a cleft lip and palate. Effect of soft tissue bridging on facial growth in complete unilateral clefts of lip, alveolus and paiate, O Kriens. Thieme Medical Publishers, New York 1989; 115–117
- Van Demark D R, Gnoinski W, Hotz M, Perko M, Nussbaumer H. Speech results of the Zürich approach in the treatment of unilateral cleft lip and palate. Plast Reconstr Surg 1989; 83: 605–613