1. Ali, S.S. and Elliott, W.H. (1975) Biochim. Biophys. Acta, In Press.
2. Anderson, I.G. and Haslewood, G.A.D. (1962) Biochim. J. 85, 236.
3. Björkhem, I. and Einarsson, K. (1970) Eur. J. Biochem. 13, 174.
4. Björkhem, I. and Gustafsson, J. (1971) Eur. J. Biochem. 18, 207.
5. Elliott, W.H. (1971) in The Bile Acids (P.P. Nair and D. Kritchevsky, ed) Plenum Press, New York, Vol. 1, 47.