World Health Organization. Reproductive Health and Research & ebrary, Inc. (2009). Medical eligibility criteria for contraceptive use (4th ed.). Reproductive Health and Research, World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization. Reproductive Health and Research a Inc ebrary. Medical Eligibility Criteria for Contraceptive Use. 4th ed. Geneva: Reproductive Health and Research, World Health Organization, 2009.
Citace podle MLA (9th ed.)World Health Organization. Reproductive Health and Research a Inc ebrary. Medical Eligibility Criteria for Contraceptive Use. 4th ed. Reproductive Health and Research, World Health Organization, 2009.
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