title: Characterization of deoxyribonucleic acid of Entamoeba histolytica by cesium chloride density centrifugation.
mesh_terms: D000818:Animals; D001439:Bacteroides; D002499:Centrifugation, Density Gradient; D002999:Clone Cells; D003470:Culture Media; D003596:Cytosine / Q000032:analysis; D004247:DNA / Q000032:analysis* / Q000302:isolation & purification; D003720:Densitometry; D004748:Entamoeba histolytica / Q000032:analysis*; D005856:Germ-Free Life; D006147:Guanine / Q000032:analysis; D006882:Hydroxyapatites; D014461:Ultracentrifugation; D014508:Urea
chemical_list: D003470:Culture Media; D006882:Hydroxyapatites; D006147:Guanine; D003596:Cytosine; D014508:Urea; D004247:DNA