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aFermentation Division, Northern Regional Research Laboratory, Peoria,2 Illinois
2
The Northern Regional Research Laboratory is one of four regional laboratories operated by the Bureau of Agricultural and Industrial Chemistry, Agricultural Research Administration, U. S. Department of Agriculture.
1
The expenses of the work described in this paper were met in part from Contract OEMcmr-100 with the Office of Scientific Research and Development, recommended by the Committee on Medical Research.