Corrigendum: β-Sitosterol and Gemcitabine Exhibit Synergistic Anti-Pancreatic Cancer Activity by Modulating Apoptosis and Inhibiting Epithelial–Mesenchymal Transition by Deactivating Akt/GSK-3β SignalingZhangqi Cao, Yujun Song, Li Lü et al.|Frontiers in Pharmacology|2020Cited by 46