title: [The agar precipitation reaction as a method of selecting fraction-free strains of Yersinia pestis].
authors: N A
authors: NA
authors: Gvozdenko
mesh_terms: D011233:Precipitin Tests; D015010:Yersinia pestis / Q000145:classification*
vernacular_title: Reaktsiia pretsipitatsii v agare kak metod selektsii besfraktsionnykh shtammov chumnogo mikroba.