@book{181473,
	author = {Dawson, Beth. and Trapp, Robert G.},
	title = {Basic & clinical biostatistics},
	publisher = {Lange Medical Books-McGraw-Hill},
	year = {c2001.},
	address = {New York},
	edition = {3rd ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO}
}