DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Berg CJ, Chang J, Callaghan WM, Whitehead SJ.
Pregnancy-related mortality in the United States, 1991-1997.

Obstet Gynecol 2003;
101 (02) 289-296

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