Van Kerkhove, M. D., Ly, S., Holl, D., Guitian, J., Mangtani, P., Ghani, A. C., & Vong, S. Frequency and patterns of contact with domestic poultry and potential risk of H5N1 transmission to humans living in rural Cambodia. Influenza and Other Respiratory Viruses, 2(5), 155-163. https://doi.org/10.1111/J.1750-2659.2008.00052.X