Cytokine and chemokine mRNA expression profiles in tracheobronchial lymph nodes from pigs singularly infected or coinfected with porcine circovirus type 2 (PCV2) and Mycoplasma hyopneumoniae (MHYO) - Zhang, H; Lunney, J K; Baker, R B (Vet Immunol Immunopathol, 2011)
et al.