No abstract text available.
Anti-Bacterial Agents
Arsenic
Cadmium
Centrifugation, Density Gradient
DNA, Bacterial
DNA, Circular
Drug Resistance, Microbial
Extrachromosomal Inheritance
Mercury
Microbial Sensitivity Tests
Molecular Weight
Penicillin Resistance
Recombination, Genetic
Staphylococcus
Staphylococcus Phages
Streptomycin
Temperature
Transduction, Genetic
