sara N. . mohammad and N. M. . Ahmed, “The Impact of Multiple Comorbidities on ST-Segment Abnormalities in Electrocardiogram (ECG) Signals with Machine Learning”, Al-Ghary Jour. Eco. Admini. Sci., vol. 22, no. 2, pp. 131–150, Jun. 2026, doi: 10.36325/ghjec.v22i2.21032.