Andrade, M.A. (2007) “EFFECTING FACTORS ON THE VACCINATION AGAINST NEWCASTLE DISEASE FOR COMMERCIAL BREEDS OF CHICKS: INFLUENCE OF MATERNALLY DERIVED ANTIBODIES”, Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], 18(1), pp. 97–107. doi:10.5216/pat.v18i1.2554.