Rapid metabolic profiling and authentication of Cordyceps using ambient ionization mass spectrometry and machine learning: Rapid metabolic profiling and authentication of Cordyceps using ambient ionization mass spectrometry and machine learning: Ma et al. - Ma, Wenbo; Song, Mengyang; Ji, Zhenyang; Liu, Yiping; Na, Pengjun; Li, Yuze; Nie, Zongxiu (Analytical & Bioanalytical Chemistry, 2025)