DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Noguchi A.
Lowering the premature birth rate: what the U.S. experience means for Japan.

Keio J Med 2008;
57 (01) 45-49 . Doi: 10.2302/kjm.57.45

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