1. Conclusions for the symposium and lessons for the future;Hugh-Jones,1983
2. Unique characteristics of the National Animal Disease Surveillance System;King;J. Am. Vet. Med. Assoc.,1985
3. Estimation of the costs of mastitis using milk somatic cell count and National Animal Health Monitoring System Data;Lightner;J. Am. Vet. Med. Assoc.,1988
4. An Introduction to Statistical Methods and Data Analysis;Lyman,1977
5. Epidemiology, An Introductory Text;Mausner,1974