TY - BOOK AU - United States Pharmacopeial Convention Inc TI - United State pharmacopoeia: official from January 1, 1990 (the national formulary) SN - 0-913595-38-1 U1 - 615.11 PY - 1990/// CY - Rockville PB - United States Pharmacopeial Convention Incorporation KW - References (USP) KW - Pharmacology -- Therapeutics N1 - 2339 / 90 - 91 / 01.01.1991; USP, United States Pharmacopoeia, drug standards, pharmaceutical reference ER -