@book{383905,
	title = {The Pharmacopeia of the United States of America},
	publisher = {United States Pharmacopeial Convention},
	year = {1970},
	address = {Bethesda, Md.},
	edition = {18th rev.},
	note = {"The United States Pharmacopeia eighteenth revision by authority of the United States Pharmacopeial Convention, Inc., meeting at Washington, D. C., March 29 and 30, 1960".}
}