Phase II Randomized, Placebo-Controlled Trial of Green Tea Extract in Patients with High-Risk Oral Premalignant Lesions

A. S Tsao, D Liu, J Martin, X. m Tang, J. J Lee, A. K El Naggar, I Wistuba, K. S Culotta, L Mao, A Gillenwater, Y. M Sagesaka, W. K Hong and V. Papadimitrakopoulou

Cancer Prevention Research 2 ( 11 ): 931 - 941 , 2009