E. Celik, M. To, K. Gajewska, G. C. S. Smith and K. H. Nicolaides Cervical length and obstetric history predict spontaneous preterm birth: development and validation of a model to provide individualized risk assessment Ultrasound in Obstetrics & Gynecology 31
Article first published online: 23 APR 2008 | DOI: 10.1002/uog.5333
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