@book{294843,
	author = {Freston, James W.},
	title = {Farmacología y tratamiento actuales de las enfermedades del aparato digestivo vol.7 no 1 /  director James W.Freston},
	publisher = {Salvat Editores S.a},
	year = {1980},
	series = {Clínica Gastroenterológica},
	address = {Barcelona}
}