Portable ECG and PCG wireless acquisition system and multiscale CNN feature fusion Bi-LSTM network for coronary artery disease diagnosis. - Junye Lin; Shaokui Wang; Weipeng Xuan; Ding Chen; Fuhai Liu; Jinkai Chen; Shudong Xia; Shurong Dong; Jikui Luo (Comput. Biol. Medicine, 2025)