Influence of different relationships of bystanders to out-of-hospital cardiac arrest patients on the effectiveness of dispatcher-assisted CPR. - Chien, Liang-Tien; Huang, Chien-Hsiung; Yeh, Hsin-Tzu; Ng, Chip-Jin; Wang, Ming-Fang; Chen, Chen-Bin; Tsai, Shang-Li; Tsai, Li-Heng; Chang, Kang-Wei; Chien, Cheng-Yu; Chang, Ching-Ter (BMC Emergency Medicine, 2025)