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Trích dẫn kiểu ChicagoOMS. Bulletin of WHO; Supplement Vol.67(N3)/1989: Bulletin De L'OMS; Supplement Vol.65(N3)/1989. Geneva: OMS, 1989.
Deismireacht MLAOMS. Bulletin of WHO; Supplement Vol.67(N3)/1989: Bulletin De L'OMS; Supplement Vol.65(N3)/1989. Geneva: OMS, 1989.
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