DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Nicolaides KH, Syngelaki A, Poon LC. et al.
Cervical pessary placement for prevention of preterm birth in unselected twin pregnancies: a randomized controlled trial.

Am J Obstet Gynecol 2016;
214: 3.e1-3.e9

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