Influenza surveillance using electronic health records in the American Indian and Alaska Native population. - James W. Keck; John T. Redd; James E. Cheek; Larry J. Layne; Amy V. Groom; Sassa Kitka; Michael G. Bruce; Anil Suryaprasad; Nancy L. Amerson; Theresa Cullen; Ralph T. Bryan; Thomas W. Hennessy (J. Am. Medical Informatics Assoc., 2014)