TY - JOUR AU - Evans, D R; Guy, H I TI - Mammalian pyrimidine biosynthesis: fresh insights into an ancient pathway JO - J Biol Chem VL - 279 PY - 2004 DO - 10.1074/jbc.R400007200 L3 - PubMed-ID: 15096496 SP - 33035 EP - 33038 ER -