@article{wang_zhang_lin_luo_2023,  title={Comment on “Relationship between the number of comorbidities, quality of life, and cardiac autonomic modulation in patients with coronary disease: a cross-sectional study”},  volume={69},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.20221136},  DOI={10.1590/1806-9282.20221136},  number={1},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Wang, Yi-Feng and Zhang, Yangfen and Lin, Yi and Luo, Yi},  year={2023},  month={Jan},  pages={7–7} }