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Protective Efficacy of Combined Live Intranasal and Inactivated Influenza A Virus Vaccines in the Elderly
John J. Treanor, MD; H. Reid Mattison, MD; Ghinwa Dumyati, MD; Amos Yinnon, MD; Shirley Erb, RN; Diane O'Brien, RN; Raphael Dolin, MD; Robert F. Betts, MD
Annals of Internal Medicine 1992;117:625-633. doi:10.7326/0003-4819-117-8-625

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