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(2018) The relationship between maternal anemia during pregnancy with preterm birth: a systematic review and meta-analysis. The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians. pp. 1-151. ISSN 1476-4954 (Electronic) 1476-4954 (Linking)