Denman S, Kirk SA, Moralejo E, Webber JF. Phytophthora ramorum and Phytophthora kernoviae on naturally infected asymptomatic foliage. EPPO Bulletin [Internet]. 2009  ;39:105?111. Available from: http://dx.doi.org/10.1111/j.1365-2338.2009.02243.x