Qisong Chen, Pan Meng, Xinyue Hu, Yang Liu, Jiaozhang Tan, Zhirong Peng, Jianye Yan. "Optimization of the extraction process of Sanhuang Qingre Formula by integrating response surface methodology, grey correlation analysis, and machine learning." Scientific Reports, 2026. doi:10.1038/s41598-026-37751-0