Abstract
The articles prior to January 2008 are part of the back file collection and are not available with a current paid subscription. To access the article, you may purchase it or purchase the complete back file collection here Alan R Hinman, MD,MPH Registries become more crucial as vaccination schedules become more complex. 10.3928/0090-4481-20040901-12 Registries become more crucial as vaccination schedules become more complex.