Hammond, DJ., Gutteridge, WE., & Opperdoes, F. (1981). A Novel Location for 2 Enzymes of Denovo Pyrimidine Biosynthesis in Trypanosomes and Leishmania. FEBS Letters, 128(1), 27-29. https://doi.org/10.1016/0014-5793(81)81070-8 (Original work published 1981)