Intercountry prevalences and practices of betel-quid use in south, southeast and eastern Asia regions and associated oral preneoplastic disorders: an international collaborative study by Asian betel-quid consortium of south and east Asia

Lee CH, Ko AM, Warnakulasuriya S, Yin BL, Sunarjo , Zain RB, Ibrahim SO, Liu ZW, Li WH, Zhang SS, Kuntoro , Utomo B, Rajapakse PS, Warusavithana SA, Razak IA, Abdullah N, Shrestha P, Kwan AL, Shieh TY, Chen MK, Ko YC. Intercountry prevalences and practices of betel-quid use in south, southeast and eastern Asia regions and associated oral preneoplastic disorders: an international collaborative study by Asian betel-quid consortium of south and east Asia. Int J Cancer. 2011; 129(7): 1741-51.