title: [Sedimentation-equilibrium method for molecular determination].
mesh_terms: D002499:Centrifugation, Density Gradient; D008433:Mathematics; D008722:Methods; D008970:Molecular Weight; D011134:Polysaccharides / Q000032:analysis; D012503:Saponins / Q000032:analysis; D012996:Solutions
chemical_list: D011134:Polysaccharides; D012503:Saponins; D012996:Solutions