title: Heterospecific transformation of pneumococcus and streptococcus. 3. Reduction of linkage.
mesh_terms: D002874:Chromosome Mapping; D004269:DNA, Bacterial; D004352:Drug Resistance, Microbial; D013291:Streptococcus; D013296:Streptococcus pneumoniae; D014170:Transformation, Genetic
chemical_list: D004269:DNA, Bacterial