1. Failure of migration of the rectal opening as the cause for most cases of imperforate anus;Bill, Jr., A.H.; Johnson, R.J.;Surg. Gynec. Obstet,1958
2. Congenital deformities of the anus and the rectum;Browne, D.;Arch. Dis. Childh,1955
3. Megarectum: physiological observations;Callaghan, R.P.; Nixon, H.H.;ibid,1964
4. Important factors influencing the treatment of imperforate anus;Hiatt, R.B.; Santulli, T.V.;Dis. Colon Rect,1962
5. Three demonstrations on malformations of the hind end of the body. I. Specimens illustrating malformations of the rectum and anus;Keith, A.;Brit. med. J,1908