1. Brown, M.S., S.E. Dana and J.L. Goldstein, Proc. Natl. Acad. Sci. USA 70:2162 (1973).
2. Lindgren, F.T., in “Fundamentals of Lipid Chemistry,” edited by R.M. Burton and F.C. Guerra, Bi-Science Publications Division, Webster Grove, 1974, p. 475.
3. Lindgren, F.T., L.C. Jensen and F.T. Hatch in “Blood Lipids and Lipoproteins: Quantitation, Composition and Metabolism,” edited by G.J. Nelson, Wiley-Interscience, New York, 1972, p. 181.
4. Lowry, O.H., N.J. Rosebrough, A.L. Farr and R.J. Randall, J. Biol. Chem. 193:265 (1951).
5. Bartlett, G.F., J. Biol. Chem. 234:466 (1959).