High costs of influenza: Direct medical costs of influenza disease in young children.
Fairbrother G, Cassedy A, Ortega-Sanchez IR, Szilagyi PG, Edwards KM, Molinari NA, Donauer S, Henderson D, Ambrose S, Kent D, Poehling K, Weinberg GA, Griffin MR, Hall CB, Finelli L, Bridges C, Staat MA. High costs of influenza: Direct medical costs of influenza disease in young children. Vaccine. 2010 Jul 12; 28(31):4913-9.