TY  - GEN
AU  - Cangiani,Luis Henrique
AU  - Cangiani,Luiz Marciano
AU  - Pereira,Antônio Márcio de Safim Arantes
TI  - [0.5% enantiomeric excess bupivacaine (S75-R25), 0.5% racemic bupivacaine, and 2%lidocaine for facial nerve block by the O'Brien technique: a comparative study.]
SN  - 1806-907X
PY  - 2012///1002
N1  - Publication Type: English Abstract; Journal Article
UR  - https://doi.org/10.1590/s0034-70942007000200002
ER  -