TY  - RPRT
TI  - [Comparative intranatal and postnatal electrocardiography in normal labor].
AU  - M Wunderlich
AU  - R Bergner
AU  - H J Petermann
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/595965/
ID  - 595965
ER  -