DOI: 10.1055/s-00000142

Frauenheilkunde up2date

References

Groom KM, Bennett PR, Golara M. et al
Elective cervical cerclage versus serial ultrasound surveillance of cervical length in a population at high risk for preterm delivery. 
Eur J Obstet Gynecol Reprod Biol 2004; 112: 158-161  

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