TY  - RPRT
TI  - Physiologic labor with saddle-block anesthesia for delivery.
AU  - O A ELLINGSON
AU  - R H DOUGLAS
PY  - 1951
DO  - 10.1097/00007611-195105000-00014
UR  - https://pubmed.ncbi.nlm.nih.gov/14845914/
ID  - 14845914
ER  -