Detection and molecular characterization of a natural coinfection of marek's disease virus and reticuloendotheliosis virus in Brazilian backyard chicken flock - Chacón, Ruy D; Astolfi-Ferreira, Claudete Serraro; Guimarães, Marta Brito; Torres, Luciana Neves; De La Torre, David I; Sá, Lilian Rose Marques de; Ferreira, Antonio José Piantino (Veterinary Sciences, 2019)