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Title
The 2009 pandemic influenza A(H1N1) coincides with changes in the epidemiology of other viral pathogens causing acute respiratory tract infections in children.
Authors
Gröndahl, B.; Ankermann, T.; Bismarck, P.; Rockahr, S.; Kowalzik, F.; Gehring, S.; Meyer, C.; Knuf, M.; Puppe, W.