Exceptionally high protection of photocarcinogenesis by topical application of (–)-epigallocatechin-3-gallate in hydrophilic cream in SKH-1 hairless mouse model: relationship to inhibition of UVB-induced global DNA hypomethylation. - Mittal,A.; Piyathilake,C.; Hara,Y.; Katiyar,S.K. (Neoplasia, 2003)