Enterococcus faecalis in dental root canals detected by culture and by polymerase chain reaction analysis. - Gomes, B P; Pinheiro, E T; Sousa, E L; Jacinto, R C; Zaia, A A; Ferraz, C C; Souza-Filho, de FJ (Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 2006)