United States Pharmacopeial Convention. (2001). USP DI: United States pharmacopeia dispensing information. Micromedex.
Chicago-viite (17. p.)United States Pharmacopeial Convention. USP DI: United States Pharmacopeia Dispensing Information. Englewood, CO: Micromedex, 2001.
MLA-viite (9. p.)United States Pharmacopeial Convention. USP DI: United States Pharmacopeia Dispensing Information. Micromedex, 2001.
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