Singh, V., Mohan, J., Rao, U. P., Dandona, L., & Heymann, D. (2014). Validity of the Surveillance Quality Indicators - Timeliness and Completeness - in Surveillance Systems with Variable Data Quality. University of Illinois at Chicago Library.

Singh, Vivek, Jagan Mohan, U Prasada Rao, Lalit Dandona, and David Heymann. Validity of the Surveillance Quality Indicators - Timeliness and Completeness - in Surveillance Systems With Variable Data Quality. University of Illinois at Chicago Library, 2014.

Singh, Vivek, et al. Validity of the Surveillance Quality Indicators - Timeliness and Completeness - in Surveillance Systems With Variable Data Quality. University of Illinois at Chicago Library, 2014.