TY - BOOK TI - United States pharmacopeia and national formulary U1 - 615.11073 PY - 1999/// CY - Rockville, MD PB - USPC KW - Pharmacopoeias - United States KW - Medicine - Formulae, Receipts, Prescriptions - United States KW - United States Pharmacopeial Convention N1 - 1 USP 24 - NF19 supplement ER -