Suparp Kietthubthew. 1999. Genetic and environmental interactions on oral cancer in southern Thailand. Songkhla:Prince of Songkla University;
Suparp Kietthubthew. (1999) Genetic and environmental interactions on oral cancer in southern Thailand. Prince of Songkla University:Songkhla.
Suparp Kietthubthew. Genetic and environmental interactions on oral cancer in southern Thailand. Songkhla:Prince of Songkla University, 1999. Print.
Suparp Kietthubthew. (1999) Genetic and environmental interactions on oral cancer in southern Thailand. Prince of Songkla University:Songkhla.