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Asopharyngeal aspirate using real-time polymerase chain reaction. Eur J Clin Microbiol Infect Dis 2010, 29:365?1. 17. Lambert SB, Allen KM, Nolan TM: Parent-collected respiratory specimens novel method for respiratory virus and vaccine efficacy research. Vaccine 2008, 26:1826?1. 18. Lambert SB, Whiley DM, O'Neill NT, Andrews EC, Canavan FM, Bletchly C, Siebert DJ, Sloots TP, Nissen MD: Comparing