title: Magnesium ion as a factor governing bacterial flocculation.
mesh_terms: D000371:Agglutination / Q000187:drug effects*; D001419:Bacteria / Q000254:growth & development*; D003470:Culture Media; D008274:Magnesium / Q000494:pharmacology*; D012722:Sewage; D014871:Water Microbiology
chemical_list: D003470:Culture Media; D012722:Sewage; D008274:Magnesium