1. C.D. Mistry, N.P. Mallick and R. Gokal, Lancet, ii (1987) 178.
2. C.D. Mistry and R. Gokal, Nephrol. Dial. Transplant, 8 (1993) 443.
3. R.L. Whistler and J.N. BeMiller, Methods in Carbohydrate Chemistry, Volume VIII, Academic Press, 1980, pp. 13–19.
4. D.C. Johnson and T.Z. Polta, Chromatogr. Forum, 1 (1986) 37.
5. S. Churms, J. Chromatogr., 500 (1990) 555.