BJOG An International Journal of Obstetrics & Gynaecology · 2003 · 219 citations · 3 references
MedicineObstetricsPediatricsEpidemiologyPerinatal EpidemiologyPreterm BirthEtiology Of Preterm BirthMaternal EpidemiologyNeonatal EpidemiologyPregnancyPreterm Birth EpidemiologyRisk Factors For Preterm BirthPreterm Birth IncidencePreterm Birth PrevalencePreterm Birth Surveillance
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Wilco C. Graafmans, Jan Hendrik Richardus, Alison Macfarlane et al. · BJOG An International Journal of Obstetrics & Gynaecology · 2001 · 101 citations