TY  - RPRT
TI  - Does labor start too late?
AU  - C Unger
AU  - R Zimmermann
AU  - A Huch
AU  - R Huch
PY  - 1996
DO  - 10.1515/jpme.1996.24.6.661
UR  - https://pubmed.ncbi.nlm.nih.gov/9120750/
ID  - 9120750
ER  -