Koh, T. T. B., Plant, A. J., & Lee, E. H. The new global threat: Severe acute respiratory syndrome and its impacts.

Koh, Tommy T. B., Aileen J. Plant, and Eng Hin Lee. The New Global Threat: Severe Acute Respiratory Syndrome and Its Impacts.

Koh, Tommy T. B., et al. The New Global Threat: Severe Acute Respiratory Syndrome and Its Impacts.