TY - BOOK AU - United States. Pharmacopeial Convention. ED - United States. Pharmacopeial Convention. TI - The United States pharmacopeia - National formulary (USP-NF)2007 [electronic resource] PY - 2006/// CY - Rockville, MD. PB - The United States Pharmacopeial Convention KW - Formularies--United States Pharmacopoeias--United States ER -