The United States pharmacopeia USP 23 : The national formulary : NF 18 : by authority of the United States Pharmacopeia/Convention, Inc., meeting at Washington, D.C., March 8-10, 1990. Prepared by the Committee of revision and published by the Board of Trustees. (Rockville, MD United States Pharmacopeia Convention, 1994)
"Official from January 1, 1995"--Title page.
Keywords: Pharmacopeias -- United States; Catalogs, Drugs -- United States