DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

Referenz

United Nations.
Department of Economic and Social Affairs.


Population Division. Contraceptive use by method 2019: Data Booklet (ST/ESA/SER.A/435).

New York: UN; 2019

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