TY  - JOUR 
T1  - Analgesic effect of Hypericum perforatum, Valeriana officinalis and Piper
               methysticum for orofacial pain
JO  - Brazilian Journal of Oral Sciences
A1  - Nowacki, Luciana Cristina
A1  - Worfel, Paulo Roberto
A1  - Martins, Paulo Francisco Arant
A1  - Santos, Rosane Sampaio dos
A1  - Stechman-Neto, José
A1  - Souza, Wesley Mauricio de
SN  - 1677-3225
UL  - 10.1590/1677-3225v14n1a12
VL  - 14 
Y1  - 2015
PB  - Brasil 
ER  -