1. Top 10 Causes of Death - Factsheet. WHO 2013. Top 10 Causes of Death - Factsheet. WHO 2013.
2. NCHS United States 2014: With special feature on adults aged 55--64 (2015). NCHS United States 2014: With special feature on adults aged 55--64 (2015).
3. Health information management: An introduction to disease classification and coding;Mony P. K.;National Medical Journal of India,2007
4. Sington J. and Cottrell B. Analysis of the sensitivity of death certificates in 440 hospital deaths: a comparison with necropsy findings. Journal of clinical pathology 55 7 (2002) 499--502. Sington J. and Cottrell B. Analysis of the sensitivity of death certificates in 440 hospital deaths: a comparison with necropsy findings. Journal of clinical pathology 55 7 (2002) 499--502.