Identification of a monoclonal antibody recognizing a B-cell epitope within the nuclear localization signal of porcine circovirus 4 (PCV4) capsid protein - Jing-Ying Liao; Xin-Qi Liu; Jia-Yao Hou; Qing Zhang; Fei Zhu; Yin Shi; Chao-Ting Xiao (Veterinary Microbiology, 2026)