@misc{indiciae550b01e2cee1, title = {Extradural analgesia revisited. A statistical study.}, author = {E M Grundy and S Ramamurthy and K P Patel and M Mani and A P Winnie}, year = {1978}, doi = {10.1093/bja/50.8.805}, url = {https://pubmed.ncbi.nlm.nih.gov/678368/}, note = {Source identifier: 678368} }