DOI: 10.1055/s-00000024

Hebamme

References

Martin JA, Hamilton BE, Sutton PD, Ventura SJ, Menacker F, Kirmeyer S. et al.
Births: final data for 2005.
National vital statistics reports : from the Centers for Disease Control and Prevention.
National Center for Health Statistics, National Vital Statistics System 2007;
56 (6): 1-103

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