@book{75314,
	author = {Gregorio, Eduardo de. and Álvarez Sainz de Aja, Enrique, },
	title = {Vacunoterapia y quimioterapia de las afecciones gonocócicas },
	editor = {F. Martínez)},
	publisher = {[s.n.], },
	year = {1939 (},
	address = {Zaragoza : }
}