2) KRIEGER, C.H., R. BUNKFELDT and H. STEENBOCK (1940) Cereals and rickets. X. The avai-lability of phytic acid phosphorus: J. Nutr., 20 : 7-14.
3) KRIEGER, C.H., R. BUNKFELDT, C.R. THOMPSON and H. STEENBOCK (1941) Cereals and rickets. XIII. Phytic acid, yeast nucleic acid, soybean phosphatides, and inorganic salts as sources of phosphorus for bone calcification: ibid., 21 : 213-220.
4) SPITZER, R.R. and P.H. PHILLIPS (1945) The availability of soybean oil meal phosphorus for the rat: ibid., 30 : 117-126.
5) BOUTWELL, R.K., R.P. GEYER, A.W. HALVERSON and E.B. HART (1946) The availability of wheat bran phosphorus for the rat: ibid., 31 : 193-202.