USP or NF monograph USP–National Formulary US Pharmacopeia-National Formulary U.S. Pharmacopeia and National Formulary standards USP–NF US Pharmacopeia and the National Formulary (USP-NF) United States Pharmacopeia-National Formulary USP <1241> United States Pharmacopeia - National Formulary United States Pharmacopeia and The National Formulary United States Pharmacopeia—National Formulary (USP–NF) US Pharmacopeia http://www.usp.org/usp-nf USP-NF USP <429> US Pharmacopeia United States Pharmacopeia (USP) or National Formulary (NF) U.S. Pharmacopeia—National Formulary USP-NF U.S. Pharmacopeia—National Formulary (USP–NF) U.S. Pharmacopeia—National Formulary USP–National Formulary (NF US Pharmacopeia USP–NF USP-NF United States Pharmacopeia–National Formulary (USP–NF) United States Pharmacopeia (USP) or National Formulary (NF) U.S. Pharmacopeia—National Formulary (USP–NF) United States Pharmacopeia USP–NF USP <789> USP (U.S. Pharmacopeial Convention)