1. Kerpel, S., E. Shafrir and B. Shapiro, Biochim. Biophys. Acta 46:495–504 (1961).
2. Stein, Y., and O. Stein, Biochim. Biophys. Acta 54:555–571 (1962).
3. Angel, A., in “Protein and Polypeptide Hormones,” Edited by M. Margoulies, Excerpta Medica International Congress, No. 161, 1969 p. 307–319.
4. Olivecrona, T., and G. Fex, Biochim. Biophys. Acta 202:259–268 (1970).
5. Umbreit, W.W., R.H. Burris and J.F. Stauffer, “Manometric Techniques,” Burgess Publishing Co., Minneapolis, 1957, p. 149.