@book{11857,
	author = {Glantz, Stanton A.},
	title = {Primer of biostatistics /},
	publisher = {McGraw-Hill},
	year = {2005},
	address = {New York},
	edition = {Sixth},
	url = {http://www.loc.gov/catdir/enhancements/fy0623/2005041630-b.html}
}