DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Findley J, Seybold DJ, Broce M, Yadav D, Calhoun BC.
Transvaginal cervical length and tobacco use in Appalachian women: association with increased risk for spontaneous preterm birth.

W V Med J 2015;
111 (03) 22-28

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