1. Failure of migration of the rectal opening as the cause for most cases of imperforate anus;BILL, A.H.; JOHNSON, R.J.;Surgery, Gynecology and Obstetrics,1958
2. Some congenital defects of the rectum, anus, vagina and urethra;BROWNE, D.;Annals of the Royal College of Surgeons of England,1951
3. Congenital deformities of the anus and rectum;BROWNE, D.;Archives of Diseases of Childhood,1955
4. Some new concepts in the embryology, anatomy, physiology and surgical correction of imperforate anus;GANS, S.L.; FRIEDMAN, W.B.;Western Journal of Surgery, Obstetrics and Gynecology,1961
5. Imperforate anus: its surgical anatomy;KIESEWETTER, W.B.; NIXON, H.H.;Journal of Pediatric Surgery,1967