@misc{indiciaed73773a88934, title = {Physiologic labor with saddle-block anesthesia for delivery.}, author = {O A ELLINGSON and R H DOUGLAS}, year = {1951}, doi = {10.1097/00007611-195105000-00014}, url = {https://pubmed.ncbi.nlm.nih.gov/14845914/}, note = {Source identifier: 14845914} }