title: Large scale production of bacteriophage phi x 174.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000302:isolation & purification*; D003470:Culture Media; D004926:Escherichia coli; D011092:Polyethylene Glycols; D013056:Spectrophotometry, Ultraviolet
chemical_list: D003470:Culture Media; D011092:Polyethylene Glycols