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Halasa, Natasha, John Williams, Samir Faouri, Asem Shehabi, Sten H. Vermund, Li Wang, Christopher Fonnesbeck, and Najwa Khuri-Bulos. "Natural History and Epidemiology of Respiratory Syncytial Virus Infection in the Middle East: Hospital Surveillance for Children Under Age Two in Jordan." Vaccine 2015.

Halasa, Natasha, et al. "Natural History and Epidemiology of Respiratory Syncytial Virus Infection in the Middle East: Hospital Surveillance for Children Under Age Two in Jordan." Vaccine 2015.