Study on variation of some biological factors such as genetics, immunology, biochemistry, hematology in patients with high risk of exposure to Dioxin (Vietnamese version), by Nguyen Van Tuong, Phan thi Phi Phi, Nguyen Van Nguyen, Trinh Van Bao, Van Dinh Hoa, Nguyen Thi Hoa, Do Trung Phan, Nong Van Hai, Bach Khanh Hoa and collaborators. Short paper submission to the 26th International Symposium on Halogenated Persistent Organic Pollutants (DIOXIN 2006).