Risk Factors for Primary Middle East Respiratory Syndrome Coronavirus Illness in Humans, Saudi Arabia, 2014 oleh Basem M. Alraddadi, John T. Watson, Abdulatif Almarashi, Glen R. Abedi, Amal Turkistani, Musallam Sadran, Abeer Housa, Mohammad A. Almazroa, Naif Alraihan, Ayman Banjar, Eman Albalawi, Hanan Alhindi, Abdul Jamil Choudhry, Jonathan G. Meiman, Magdalena Paczkowski, Aaron Curns, Anthony W. Mounts, Daniel R. Feikin, Nina Marano, David L. Swerdlow, Susan I. Gerber, Rana Hajjeh, Tariq A. Madani