1. Anthraquinones and autophagy – Three rings to rule them all?
   Jana Deitersen et al, 2019, Bioorganic & Medicinal Chemistry CrossRef
2. A Comprehensive and System Review for the Pharmacological Mechanism of Action of Rhein, an Active Anthraquinone Ingredient
   Hao Sun et al, 2016, Frontiers in Pharmacology CrossRef