1. Thomas, V., Riaz, A. S., & Qasim, S. (2008). Oman Medical Journal, 23(1), 32–33.
2. Prasad, K., & Sahu, J. K. (2011). Critical Care, 15, 104–105.
3. Dash, S. K., Sharma, M., & Kumar, A. (2012). Meningitis: causes, diagnosis and treatment. In G. Houllis & M. Karachalios (Eds.), Diagnostic techniques and treatment of meningitis (1st ed., pp. 203–223). New York: Nova Science Publishers Inc.
4. de Jonge, R. C. J., van Furth, A. M., Wassenaar, M., Gemke, R. J. B. J., & Terwee, C. B. (2010). BMC Infectious Diseases, 10, 1–14.
5. de Jonge, R. C. J., Sanders, M. S., Terwee, C. B., Heymans, M. W., Gemke, R. J. B. J., Koomen, I., et al. (2013). PLoS One, 8(3), 1–8.