Application of Multivariate Empirical Mode Decomposition and Sample Entropy in EEG Signals via Artificial Neural Networks for Interpreting Depth of Anesthesia. - Jeng-Rung Huang; Shou-Zen Fan; Maysam F. Abbod; Kuo-Kuang Jen; Jeng-Fu Wu; Jiann-Shing Shieh (Entropy, 2013)