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Association between maternal hemoglobin concentration levels and preterm birth clinical subtypes: A retrospective, observational, multicenter study
Chen P,
Mu Y,
Xie Y,
Wang Y,
Liu Z,
et al.
(2026)
Association between maternal hemoglobin concentration levels and preterm birth clinical subtypes: A retrospective, observational, multicenter study.
PLOS ONE 21(5): e0348071.
https://doi.org/10.1371/journal.pone.0348071