Frechaut E, Muchanga E, Taunde P, Nhambirre O, Pondja A, Bila C. Evaluation of Serum Antibody Titers Against Newcastle Disease in Broiler Poultry in Maputo and Matola Regions, Mozambique. Int. J. Poult. Sci. 2015;14(11):622–624. doi:10.3923/ijps.2015.622.624