DOI: 10.1055/s-00000020

Geburtshilfe und Frauenheilkunde

References

Westergaard HB, Langhoff-Roos J, Lingman G, Marsal K, Kreiner S.
A critical appraisal in high-risk pregnancies: use of meta-analyses in evidence-based obstetrics. 
Ultrasound Obstet Gynecol 2001; 17: 466-476  

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