Reactive Oxygen Species-Mediated Autophagy by Ursolic Acid Inhibits Growth and Metastasis of Esophageal Cancer Cells. - Lee, Na-Ri; Meng, Ruo Yu; Rah, So-Young; Jin, Hua; Ray, Navin; Kim, Seong-Hun; Park, Byung Hyun; Kim, Soo Mi (International Journal of Molecular Sciences, 2020)