TY  - RPRT
TI  - Elective section after two sections--where's the evidence?
AU  - L J Roberts
PY  - 1991
DO  - 10.1111/j.1471-0528.1991.tb15388.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1777449/
ID  - 1777449
ER  -