Couto, Regina Helena Nogueira, et al. “Lysine and Methionine in Diets for <i>Apis mellifera< i> Infested by Mite <i>Varroa jacobsoni< I>”;. Pesquisa Agropecuaria Brasileira, vol. 23, no. 12, Apr. 2014, pp. 1327-30, doi:10.1590/S1678-3921.pab1988.v23.14112.