Radaelli, Paula, et al. “Production of Polyclonal Antisera Using Recombinant Coat Proteins of Grapevine Leafroll‑associated Virus 2 and Grapevine Virus B”. Pesquisa Agropecuaria Brasileira, vol. 43, no. 10, Oct. 2008, pp. 1405-11, https://doi.org/10.1590/S1678-3921.pab2008.v43.1039.