Gillard, P., Giet, D., Heijmans, S., Dramé, M., Walravens, K., & Roman, F. (2014). Long-term outcome of the humoral and cellular immune response of an H5N1 adjuvanted influenza vaccine in elderly persons: 2-year follow-up of a randomised open-label study. Trials.

Gillard, Paul, Didier Giet, Stéphane Heijmans, Mamadou Dramé, Karl Walravens, and François Roman. "Long-term Outcome of the Humoral and Cellular Immune Response of an H5N1 Adjuvanted Influenza Vaccine in Elderly Persons: 2-year Follow-up of a Randomised Open-label Study." Trials 2014.

Gillard, Paul, et al. "Long-term Outcome of the Humoral and Cellular Immune Response of an H5N1 Adjuvanted Influenza Vaccine in Elderly Persons: 2-year Follow-up of a Randomised Open-label Study." Trials 2014.