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Journal
Br J Nutr
Volume
120
Issue
5
Pages
508-516
Publication year
2018
Suggested citation
Zhang X, Xu Q, Yang Y, et al. Preconception Hb concentration and risk of preterm birth in over 2Â7 million Chinese women aged 20-49 years: A population-based cohort study. Br J Nutr. 2018; 120(5): 508-516.