title: Maturing chicken erythrocyte & the level of RNA polymerases I & II.
mesh_terms: D000818:Animals; D002645:Chickens / Q000097:blood*; D012321:DNA-Directed RNA Polymerases / Q000097:blood*; D004912:Erythrocytes / Q000201:enzymology*; D008297:Male; D012318:RNA Polymerase I / Q000097:blood*; D012319:RNA Polymerase II / Q000097:blood*
chemical_list: D012319:RNA Polymerase II; D012321:DNA-Directed RNA Polymerases; D012318:RNA Polymerase I