@article{guo_zhao_liang_li_yang_2026,  title={Portable quantitative detection of serum total cholesterol using smartphone-based image colorimetry},  volume={81},  ISSN={1807-5932},  url={https://doi.org/10.1016/j.clinsp.2026.101015},  DOI={10.1016/j.clinsp.2026.101015},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Guo, Yufei and Zhao, Yonghua and Liang, Dandan and Li, Ziqi and Yang, Zehua},  year={2026},  pages={101015} }