TY  - RPRT
TI  - Twenty-four-hour obstetric anesthesia coverage.
AU  - W A CULL
PY  - 1960
DO  - 10.1001/jama.1960.03020050008003
UR  - https://pubmed.ncbi.nlm.nih.gov/13813235/
ID  - 13813235
ER  -