TY  - RPRT
TI  - Pelvic contraction in breech presentation.
AU  - N A Beischer
PY  - 1966
DO  - 10.1111/j.1471-0528.1966.tb05183.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5947431/
ID  - 5947431
ER  -