World Health Organization. (2006). WHO expert committee on specifications for pharmaceutical preparations (4th ed.). World Health Organization.
Chicago-viite (17. p.)World Health Organization. WHO Expert Committee on Specifications for Pharmaceutical Preparations. 4th ed. Geneva: World Health Organization, 2006.
MLA-viite (8. p.)World Health Organization. WHO Expert Committee on Specifications for Pharmaceutical Preparations. 4th ed. World Health Organization, 2006.
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