1. Kogan, S.J., Sigier, L., Levitt, S.B., Reda, E.F., Greifer, I. J. Urol. 136: 325–8, 1986.
2. Roberts, J.A., Kaack, M.B., Morvant, A.B. Pediatrics. 82: 91–5, 1988.
3. Hodson, C.J. Proc. R. Soc. Med. 52: 669, 1959.
4. Bailey, R.R. Clin. Nephrol. 1: 132, 1973.
5. Becker, G.J. Aust. N. Z. J. Med. 15: 668–76, 1985.