title: The action of parathyroid extract on the metabolism of ribonucleic acids in cultivated bone tissue. Isolation and characterization of RNA from calvaria of 20-day-old rat embryos.
mesh_terms: D000818:Animals; D001842:Bone and Bones / Q000187:drug effects; D002499:Centrifugation, Density Gradient; D046508:Culture Techniques; D004622:Embryo, Mammalian; D008722:Methods; D010280:Parathyroid Glands; D012313:RNA / Q000302:isolation & purification* / Q000378:metabolism; D051381:Rats; D012886:Skull; D013057:Spectrum Analysis; D014020:Tissue Extracts / Q000494:pharmacology*; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014020:Tissue Extracts; D014316:Tritium; D012313:RNA; D014529:Uridine