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Chen, Qingxia, Marie R. Griffin, Hui Nian, Yuwei Zhu, John V. Williams, Kathryn M. Edwards, und H. Keipp Talbot. "Influenza Vaccine Prevents Medically Attended Influenza-Associated Acute Respiratory Illness in Adults Aged ≥50 Years." J Infect Dis 2015.

Chen, Qingxia, et al. "Influenza Vaccine Prevents Medically Attended Influenza-Associated Acute Respiratory Illness in Adults Aged ≥50 Years." J Infect Dis 2015.