title: Comment on "Ultrafiltration behaviour of extracellular and metabolic products in activated sludge system with UF separation process".
authors.affiliation: School of Water Sciences, Cranfield University, Bedfordshire, UK.
authors.forename: I S
authors.initials: IS
authors.lastname: Chang
authors.forename: S J
authors.initials: SJ
authors.lastname: Judd
mesh_terms: D019149:Bioreactors; D003470:Culture Media / Q000737:chemistry; D008567:Membranes, Artificial; D012722:Sewage / Q000737:chemistry* / Q000382:microbiology*; D014462:Ultrafiltration / Q000379:methods*
chemical_list: D003470:Culture Media; D008567:Membranes, Artificial; D012722:Sewage