title: Heterogeneity and labelling patterns of RNA from chicken embryos.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D004591:Electrophoresis, Polyacrylamide Gel; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D005260:Female; D007553:Isotope Labeling; D008099:Liver / Q000032:analysis; D008297:Male; D012313:RNA / Q000302:isolation & purification*; D012335:RNA, Ribosomal; D011874:Radiometry; D012270:Ribosomes; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D012335:RNA, Ribosomal; D012313:RNA; D014529:Uridine