title: The old and the new in ultrafiltration techniques.
mesh_terms: D001769:Blood; D004058:Diffusion; D006801:Humans; D008567:Membranes, Artificial; D008970:Molecular Weight; D011312:Pressure; D006435:Renal Dialysis; D012996:Solutions; D014462:Ultrafiltration / Q000295:instrumentation / Q000379:methods*
chemical_list: D008567:Membranes, Artificial; D012996:Solutions