Landi F., Onder G., Carpenter I., Garms-Homolova V., Bernabei R..  2005.  Prevalence and predictors of influenza vaccination among frail, community-living elderly patients: An International Observational Study. Vaccine. 23(30):3896-3901.

Henrard J.C, Ankri J., Frijiters D., Carpenter I., Topinkova E., Garms-Homolova V., Finne-Soveri H., Jonsson P.JSorbye, Ljunggren G., Schroll M. et al..  2006.  Proposal of a service delivery integration index of home care for older persons: application in several European cities. Int J Integr Care. 6:e11.