DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Dundes L.
The evolution of maternal birthing position.

Am J Public Health 1987;
77 (05) 636-641 . Doi: 10.2105/AJPH.77.5.636

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