TY  - JOUR 
T1  - Effects of opioids on local anesthesia in the rat: a
               codeine and tramadol study
JO  - Brazilian Oral Research
A1  - Carnaval, Talita Girio
A1  - Sampaio, Roberta Moura
A1  - Lanfredi, Camila Bernadeli
A1  - Borsatti, Maria Aparecida
A1  - Adde, Carlos Alberto
SN  - 1806-8324
UL  - 10.1590/S1806-83242013000600003
VL  - 27 
Y1  - 2013
PB  - Brazil 
ER  -