TY - BOOK AU - United States Pharmacopeial Convention TI - United states Pharmacopeia the national formulary : USP 36 NF 31 Vol. 1,2,3 & Suppl. 1 & Suppl. 2 SN - 978-1-936424-12-2 U1 - R615.1173 USP/NF PY - 2012/// CY - Rockville, USP ER -