Tham, D. C., Pham, N. D., Vu, S. N., Luong, M. T., Nguyen Le, K. H., Le, T. T., & Le, M. Q. (2014). Seroprevalence survey of avian influenza A(H5N1) among live poultry market workers in northern Viet Nam, 2011. Western Pacific Surveillance and Response, 5(4). https://doi.org/10.5365/wpsar.2014.5.2.006