TY - JOUR AU - Bernard Dujon TI - On the origin of the genetic code: a 27-codon hypothetical precursor of an intricate 64-codon intermediate shaped the modern code JO - Comptes Rendus. Biologies PY - 2020 SP - 15 EP - 52 VL - 343 IS - 4 PB - Académie des sciences, Paris DO - 10.5802/crbiol.47 LA - en ID - CRBIOL_2020__343_4_15_0 ER -