K. Sentamilselvan , A. Nirmal , P. Nivethitha, S. Subalakshmi. “An Improving ICU Patient Mortality Prediction Using Artificial Neural Networks”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, May 2020, pp. 6079 -89, http://sersc.org/journals/index.php/IJAST/article/view/15590.