A Metabolism‐Oriented Strategy for Systematic Analysis of the Pharmacological Material Basis of Classic Traditional Chinese Medicine Formulas: Taking Wuao Sanzi Decoction as an Example - Jin‐Jin Liao; Yang‐Dan Liu; Lan‐Ying Gao; Gui‐Zhong Xin; Yuan Cao; Zi‐Qi Shi (Journal of Separation Science, 2026)