DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Purisch SE, Gyamfi-Bannerman C.
Epidemiology of preterm birth.

Semin Perinatol 2017;
41 (07) 387-391
DOI: 10.1053/j.semperi.2017.07.009.

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