1. Aherne GW, Hardcastle A, Raynaud F et al (1996) Immunoreactive dUMP and TTP pools as an index of thymidylate synthase inhibition; effect of tomudex (ZD1694) and a nonpolyglutamated quinazoline antifolate (CB30900) in L1210 mouse leukaemia cells. Biochem Pharmacol 51:1293–1301
2. Andre Bp Van Kuilenburg AVC, Nico Ggm Aberling (ed) (2008) Screening for disorders of purine and pyrimidine metabolism using HPLC-electrospray tandem mass spectrometry. Springer-Verlag, Berlin Heidelberg
3. Balasubramaniam S, Duley JA, Christodoulou J (2014) Inborn errors of pyrimidine metabolism: clinical update and therapy. J Inherit Metab Dis 37:687–698
4. Burton K (ed) (1974) Spectral data and pK values for purines, pyrimidines, nucleosides, and nucleotides. Oxford University Press, London
5. Georges Van Den Berghe M-FV, Marie S (eds) (2012) Disorders of purine and pyrimidine metabolism. Springer-Verlag, Berlin Heidelberg