1. Santi, D. V.; Danenberg, P. V. In Folates and Pterines; Blakely, R.~L.; Benkovic, S. J., Eds.; Wiley: New York, 1984; Vol. 1, Chemistry and Biochemistry of Folates; pp. 345–398.
2. Carreras, C. W.; Santi, D. V. Annu. Rev. Biochem. 1995, 64, 721.
3. Stroud, R. M.; Finer-Moore, J. S. Biochemistry 2003, 42, 239.
4. Finer-Moore, J. S.; Santi, D. V.; Stroud, R. M. Biochemistry 2003, 42, 248.
5. Danenberg, P. V. Biochim. Biophys. Acta 1977, 473, 73.