TY  - JOUR 
T1  - Bacterial pathogenesis and mediators in apical periodontitis
JO  - Brazilian Dental Journal
A1  - Siqueira Jr, José F.
A1  - Rôças, Isabela N.
SN  - 0103-6440
UL  - 10.1590/S0103-64402007000400001
VL  - 18 
Y1  - 2007
PB  - Brasil 
ER  -