1. Alexander, C., Zinzeleta, E., Mackenzie, E., Vernon, A., and Markowitz, R. (1990). Acute gastrointestinal illness and child care arrangements.American Journal of Epidemiology, 131(1), 124?131.
2. Andersen, R., Bale, J., and Murph, J. (1986).Infections in Children: A Sourcebook for Educators and Child Care Providers. Rockville, MD: Aspen Publishers.
3. Anderson, L., Parker, R., Strikas, R., Farrar, J., Gangarosa, E., Keyserling, H., and Sikes, R. (1988). Day-care center attendance and hospitalization for lower respiratory tract illness.Pediatrics, 82(3), 300?307.
4. Bartlett, A., Jarvis, B., Ross, V., Katz, T., Dalia, M., Englender, S., and Anderson, L. (1988). Diarrheal illness among infants and toddlers in day care centers: Effects of active surveillance and staff training without subsequent monitoring.American Journal of Epidemiology, 127, 808?817.
5. Bartlett, A., Moore, M., Gary, G., Starko, K., Erben, J., and Meredith, B. (1985). Diarrheal illness among infants and toddlers in day care centers. II. Comparison with day care homes and households.The Journal of Pediatrics, 107(4), 503?509.