PMID(sorted ascending)
geographical differences in bacteria detected in endodontic infections using polymerase chain reaction.the polymerase chain reaction (pcr) is an innovative nucleic acid-based assay that has the highest sensitivity of any microbiological technique for the detection of bacteria. the purpose of this study was to use pcr to detect the presence of specific species of bacteria in samples collected from two geographical locations. microbial samples from abscesses of endodontic origin were collected from patients in portland, oregon, and rio de janeiro, brazil. pcrs with species-specific oligonucleotide ...200415055430
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