Evaluation of a subunit vaccine produced with the Bartha strain of Aujeszky´s disease virus in mice - Richtzenhain, Leonardo José; Heinemann, Marcos Bryan; Galasso, C. M.; Ishizuka, Masaio Mizuno; Jerez, José Antonio; Barbosa, J. R.; Gubel, J. G. (Virológica 93, 1993)