Shannon, R. J., Davisson, M., Nguyen, T., Stetson, C., & Jones, K. (2003). The use of hospital emergency department chief complaint data as a "Near" real-time marker for assessing public health risk of infectious disease outbreak. Springer-Verlag.

Shannon, Ronald J., Michael Davisson, Trang Nguyen, Carolyn Stetson, and Kevin Jones. The Use of Hospital Emergency Department Chief Complaint Data As a "Near" Real-time Marker for Assessing Public Health Risk of Infectious Disease Outbreak. Springer-Verlag, 2003.

Shannon, Ronald J., et al. The Use of Hospital Emergency Department Chief Complaint Data As a "Near" Real-time Marker for Assessing Public Health Risk of Infectious Disease Outbreak. Springer-Verlag, 2003.