TY  - RPRT
TI  - Fetal presentation during pregnancy.
AU  - T Sørensen
AU  - E Hasch
AU  - A P Lange
PY  - 1979
DO  - 10.1016/s0140-6736(79)91536-8
UR  - https://pubmed.ncbi.nlm.nih.gov/89542/
ID  - 89542
ER  -