Bacteriophage populations in natural water. K-1760.
D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000302:isolation & purification*; D004754:Enterobacter; D008722:Methods; D008854:Microscopy, Electron; D011511:Proteus; D013223:Statistics as Topic; D014876:Water Pollution