OMS. (1992). WHO technical report series; N.817: Oral contraceptives and neoplasia. Geneva: OMS.
Trích dẫn kiểu ChicagoOMS. WHO Technical Report Series; N.817: Oral Contraceptives and Neoplasia. Geneva: OMS, 1992.
MLA citiranjeOMS. WHO Technical Report Series; N.817: Oral Contraceptives and Neoplasia. Geneva: OMS, 1992.
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