Luckhaupt, S. E., Calvert, G. M., Li, J., Sweeney, M., & Santibanez, T. A. (2014). Prevalence of Influenza-Like Illness and Seasonal and Pandemic H1N1 Influenza Vaccination Coverage Among Workers — United States, 2009–10 Influenza Season. MMWR Morb Mortal Wkly Rep.

Luckhaupt, Sara E., Geoffrey M. Calvert, Jia Li, Marie Sweeney, and Tammy A. Santibanez. "Prevalence of Influenza-Like Illness and Seasonal and Pandemic H1N1 Influenza Vaccination Coverage Among Workers — United States, 2009–10 Influenza Season." MMWR Morb Mortal Wkly Rep 2014.

Luckhaupt, Sara E., et al. "Prevalence of Influenza-Like Illness and Seasonal and Pandemic H1N1 Influenza Vaccination Coverage Among Workers — United States, 2009–10 Influenza Season." MMWR Morb Mortal Wkly Rep 2014.