Dusi, Andre Nepomuceno, et al. “Resistance of Genetically Modified Potatoes to <i>Potato Virus Y< i> Under Field Conditions”. Pesquisa Agropecuaria Brasileira, vol. 44, no. 9, Nov. 2010, pp. 1127-30, doi:10.1590/S1678-3921.pab2009.v44.2206.