DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Fox NS, Saltzman DH, Fishman A, Klauser CK, Gupta S, Rebarber A.
Gestational age at cervical length and fetal fibronectin assessment and the incidence of spontaneous preterm birth in twins.

J Ultrasound Med 2015;
34 (06) 977-984

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