title: A comparison of streptococcal competence factors produced by strain Challis in chemically defined and complex media.
mesh_terms: D001769:Blood; D003470:Culture Media; D004269:DNA, Bacterial; D003851:Deoxyribonucleases; D005374:Filtration; D005827:Genetics, Microbial; D007700:Kinetics; D010461:Peptones; D013291:Streptococcus; D013997:Time Factors; D014170:Transformation, Genetic
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial; D010461:Peptones; D003851:Deoxyribonucleases