Lai, S., K. Liao, H. Lai, C. Muo, and F. Sung. “Atorvastatin Correlates With Decreased Risk of Esophageal Cancer: A Population-Based casecontrol Study from Taiwan”. Libyan Journal of Medicine, vol. 7, no. 1, Feb. 2012, doi:10.3402/ljm.v7i0.18830.