UNITED STATES PHARMACOPEDIA. UNITED STATES PHARMACOPEDIA: THE NATIONAL FORMULARY.
Lua i Stíl Chicago (17ú heag.)UNITED STATES PHARMACOPEDIA. UNITED STATES PHARMACOPEDIA: THE NATIONAL FORMULARY.
Lua MLA (9ú heag.)UNITED STATES PHARMACOPEDIA. UNITED STATES PHARMACOPEDIA: THE NATIONAL FORMULARY.
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