RT-PCR based detection and pathotypical characterization of Newcastle disease virus isolated from layer chickens in Mymensingh, Bangladesh Journal title: Journal of Bioscience and Environment Research Authors: Limon Biswas, Dula chakraborty, Najmun Nahar Popy, Mithun Talukder, Mohammad Habibur Rahman, Md. Bah... Subject(s): Biological Sciences, Environmental Sciences, Biotechnology, Environmental Biotechnology, Environmental Conservation