@book{2281,
	author = {Armitage, P. and Berry, G.},
	title = {Estadística para la investigación biomédica},
	publisher = {Harcourt Brace,},
	year = {1997},
	address = {Madrid:},
	edition = {3a. edición},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl//ebook_2/estadistica-para-la-investigacion-biomedica/}
}