1. The absorption of milk precursors by the mammary gland
2. W. R. Graham, C. W. Turner, and E. T. Gomez (1937 )-Res. Bull, Mo. agric. exp. Sta.No. 260.
3. L. A. Maynard, C. M. McCay, G. H. Ellis, A. Z. Hodson, and G. K. Davis (1938 )-MemoirCornell agric. exp, Sta.No. 211.