Edström, J E Composition of the nucleolus as a basis for views on its function. [electronic resource] - National Cancer Institute monograph Dec 1966 - 223-33 p. digital Publication Type: Journal Article ISSN: 0083-1921 Subjects--Topical Terms: Adenine--analysisCell Nucleolus--analysisChromosomes--analysisCytosine--analysisDNA--analysisDipteraDrosophilaElectrophoresisGuanine--analysisMicrochemistryPhosphorus IsotopesRNA--analysisRNA, Messenger--analysisUracil--analysis