DOI:
10.1055/s-00030576
Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics
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References
Iams JD, Goldenberg RL, Meis PJ, Mercer BM, Moawad A, Das A. et al; National Institute of Child Health and Human Development Maternal Fetal Medicine Unit Network.
The length of the cervix and the risk of spontaneous premature delivery.
N Engl J Med 1996;
334 (09) 567-572
DOI: 10.1056/NEJM199602293340904.
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