TY - JOUR AU - Fon Sing, M; Yang, W S; Gao, S TI - Epidemiological studies of the association between tea drinking and primary liver cancer: a meta-analysis JO - Eur J Cancer Prev VL - 20 PY - 2011 DO - 10.1097/CEJ.0b013e3283447497 SP - 157 EP - 165 N1 - et al. ER -