1. Bischoff, F., Ingraham, L.P. and Rupp, J.J. Arch. Pathol. 35 (1943) 713.
2. Kline, B.E., Rusch, H.P., Baumann, C.A. and Lavik, P.S. Cancer Res. 3 (1943) 825.
3. Stoerk, H.C. J. Biol. Chem. 171 (1957) 437.
4. Mihich, E. and Nichol, C.A. Cancer Res. 19 (1959) 279.
5. Mihich, E., Rosen, F. and Nichol, C.A. Cancer Res. 19 (1959) 1244.