TY  - RPRT
TI  - Continuous parasacral sciatic nerve block: two case reports.
AU  - G F Morris
AU  - S A Lang
DO  - 10.1016/s1098-7339(97)80036-3
UR  - https://pubmed.ncbi.nlm.nih.gov/9338911/
ID  - 9338911
ER  -