TY - RPRT TI - Geographical differences in bacteria detected in endodontic infections using polymerase chain reaction. AU - J C Baumgartner AU - J F Siqueira AU - T Xia AU - I N Róças PY - 2004 DO - 10.1097/00004770-200403000-00004 UR - https://pubmed.ncbi.nlm.nih.gov/15055430/ ID - 15055430 ER -