title: Criteria for distinguishing self-associations in velocity sedimentation.
mesh_terms: D008024:Ligands; D046911:Macromolecular Substances; D011506:Proteins / Q000302:isolation & purification; D014461:Ultracentrifugation / Q000379:methods
chemical_list: D008024:Ligands; D046911:Macromolecular Substances; D011506:Proteins