@book{504,
	author = {Metzler, David E. and Bozal Fes, Jorge, },
	title = {Bioquímica :},
	publisher = {Omega, },
	year = {c1981},
	address = {Barcelona, Esp. :},
	note = {Título original: Biochemistry. The chemical reactions of living cells},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/512.pdf}
}