TY  - RPRT
TI  - U.S. obstetric procedures, 1998.
AU  - S C Curtin
AU  - T J Mathews
PY  - 2000
DO  - 10.1046/j.1523-536x.2000.00136.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11251492/
ID  - 11251492
ER  -