@book{132662,
	author = {Castañeda Hernández, Gilberto},
	title = {Así evolucionaron los fármacos},
	year = {29 ago. 2010},
	address = {Quito},
	url = {http://www.revistafamilia.com.ec/articulos-vida-practica/1037-asi-evolucionaron-los-farmacos}
}