title: [Concentration of macromolecular species centrifuged in a density gradient].
mesh_terms: D002498:Centrifugation; D004279:DNA, Viral; D046911:Macromolecular Substances; D008433:Mathematics; D011506:Proteins
chemical_list: D004279:DNA, Viral; D046911:Macromolecular Substances; D011506:Proteins
vernacular_title: La concentration des espèces macromoléculaires centrifugées en gradient de densité.