Patient characteristics determine differences in the influenza vaccination rate more so than practice features.

Tacken, M., Braspenning, J., Spreeuwenberg, P., Hoogen, H. van den, Essen, G. van, Bakker, D. de, Grol, R. Patient characteristics determine differences in the influenza vaccination rate more so than practice features. Preventive Medicine: 2002, 35(4), 401-406