@article{cheng_duan_2024,  title={Comment on “Effect of maternal cortisol levels on fetal heart rate patterns in primiparous pregnant women in the third trimester”},  volume={70},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.20231300},  DOI={10.1590/1806-9282.20231300},  number={2},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Cheng, Mingyun and Duan, Yuping},  year={2024},  pages={e20231300} }