Ching-Yu, Y., H. Tsung-Hsiang, and C. Pei-Yun. “A New ECG Steganography Based on Enhanced Coefficient Adjustment Technique and Least Significant Bit Substitution”. Transactions on Engineering and Computing Sciences, vol. 11, no. 3, June 2023, pp. 122-134., doi:10.14738/tecs.113.14919.