TY  - RPRT
TI  - Anesthesia for obstetrics.
AU  - M Rosen
PY  - 1981
DO  - 10.1111/j.1365-2044.1981.tb08714.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7212223/
ID  - 7212223
ER  -