title: A method for concentrating bacteriophages using polyethylene glycol.
mesh_terms: D001435:Bacteriophages / Q000302:isolation & purification*; D011092:Polyethylene Glycols; D012760:Shigella / Q000145:classification; D014773:Virology / Q000379:methods
chemical_list: D011092:Polyethylene Glycols