[Comparison between sinking and floating fresh Rehmanniae Radix samples by UHPLC-Q-Orbitrap HRMS, fingerprinting, and chemometrics]. - Liu SL; Zhang HW; Zhang ZL; Jia HT; Guo ZJ; Wang RS; Wang S; Zhong YJ (Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 2025)