Chromatographic fractionation of the transforming principle of the pneumococcus.
D005591:Chemical Fractionation; D002845:Chromatography; D009696:Nucleic Acids / Q000032:analysis*; D013296:Streptococcus pneumoniae / Q000378:metabolism*
D009696:Nucleic Acids
DIPLOCOCCUS PNEUMONIAE/metabolism; NUCLEIC ACIDS/determination