Ahmed, S. F., Klena, J. D., Mostafa, M., Dogantemur, J., Middleton, T., Hanson, J., & Sebeny, P. J. (2012). Viral Gastroenteritis Associated with Genogroup II Norovirus among U.S. Military Personnel in Turkey, 2009. Public Library of Science.

Ahmed, Salwa F., John D. Klena, Manal Mostafa, Jessica Dogantemur, Tracy Middleton, James Hanson, و Peter J. Sebeny. Viral Gastroenteritis Associated With Genogroup II Norovirus Among U.S. Military Personnel in Turkey, 2009. Public Library of Science, 2012.

Ahmed, Salwa F., et al. Viral Gastroenteritis Associated With Genogroup II Norovirus Among U.S. Military Personnel in Turkey, 2009. Public Library of Science, 2012.