The 2 references without contexts in paper S. Musinov R., A. Tulegenova U., С. Мусинов Р., А. Тулегенова У. (2018) “Гармонизация и обновление как основные принципы развития Государственной фармакопеи Республики Казахстан // Harmonization and updating as basic principles of the development of the Republic of Kazakhstan state pharmacopoeia” / spz:neicon:vedomostincesmp:y:2016:i:3:p:21-25

British Pharmacopoeia 2016. London: The Stationary Office on behalf of the Medicines and Healthcare products Regulatory Agency (MHRA).
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U. S. Pharmacopeia. National Formulary USP 38 — NF 33. Rockville: The United States Pharmacopeial Convention.
(check this in PDF content)