@book{6504,
	author = {United States Pharmacopeial Convention.},
	title = {The United States pharmacopeia : },
	publisher = {United States Pharmacopeial Convention, },
	year = {c2011},
	address = {Rockville, Maryland : },
	note = {Includes combined index.
"Official from May 1, 2012."
"The designation on the cover of this publication, "USP NF 2012" is for ease of identification only. The publication contains two separate compendia: The United States Pharmacopeia, Thirty-Fifth Revision, and The National Formulary, Thirtieth Edition."
Kept up-to-date by supplements.}
}