@book{619,
	author = {Carballal, Guadalupe. and Oubiña, José Raúl.},
	title = {Virología médica /  },
	publisher = {El Ateneo, },
	year = {1998.},
	address = {Buenos Aires : },
	edition = {3a ed.},
	note = {Carballal, G. (1998). Virología médica. (3a ed.) Buenos Aires: El Ateneo}
}