Key points are not available for this paper at this time.
Hinsvark, ?. N., Wittwer, S. H., and Tukey, H. ?. The metabolism of foliar-applied urea. I. Relative rates of C1402 production by certain vegetable plants treated with labelled urea. Plant Physiol. 28: 70-76. 1953. 3. Mathews, M. B. and Vennesland, Birgit. Enzymic oxidation of formic acid. Jour. Biol. Chem. 186: 667-682. 1950. 4. Mosbach, E. H., Phares, E. F., and Carson, S. F. The role of one-carbon compounds in citric acid biosynthesis. Archiv. Biochem. and Biophys. 35: 435-442. 1952. 5. Skipper, H. E., Bryan, C E., White, L., Jr., and Hutchison, O. S. Techniques for in vivo tracer studies with radioactive carbon. Jour. Biol. Chem. 173: 371-381. 1948. 6. Walker, J. B. Arginosuccinic acid from Chlorelh. Proc. Nati. Acad. Sci. 38: 561-566. 1952.
Biale et al. (Mon,) studied this question.