title: Predictability of quantitation of small virions by electron microscopy.
mesh_terms: D002498:Centrifugation / Q000295:instrumentation; D003090:Coliphages; D004209:Disposable Equipment; D007840:Latex; D008722:Methods; D008854:Microscopy, Electron; D008863:Microspheres; D017955:Poliovirus; D013223:Statistics as Topic
chemical_list: D007840:Latex