Age- and strain-dependent differences in the outcome of experimental infections of domestic pigs with wild boar pseudorabies virus isolates., Verpoest, Sara, Cay Ann Brigitte, Van Campe Willem, Mostin Laurent, Welby Sarah, Favoreel Herman, and De Regge Nick , J Gen Virol, 2016 Feb, Volume 97, Issue 2, p.487-495, (2016)