DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Zeitlin J, Szamotulska K, Drewniak N. et al.
The Euro-Peristat Study Group: Preterm birth time trends in Europe; a study of 19 countries.

BJOG 2013;
120: 1356-1365

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