Guang Li

Vitamin A and other deficiencies in Linxian, a high esophageal cancer incidence area in northern China.

W. Blot, C. S. Yang, A. Ershow, 1984, Journal of the National Cancer Institute.

Linxian nutrition intervention trials. Design, methods, participant characteristics, and compliance.

J. Fraumeni, P. Taylor, S. Dawsey, 1993, Annals of epidemiology.

Precancerous lesoins of the human esophagus: Multipliparameteric study of esophageal biopsies from a high‐risk populatiion in linxian, China

Kan Yang, M. Lipkin, Guoqing Wang, 1992 .