Chuthamas Kamolchai. (1990) The study of antibody level by hemagglutination inhibition test to dengue hemorrhagic fever in Thai children aged under fifteen years at Burirum Province. Mahidol University,:ม.ป.ท.Chuthamas Kamolchai. 1990. The study of antibody level by hemagglutination inhibition test to dengue hemorrhagic fever in Thai children aged under fifteen years at Burirum Province. ม.ป.ท.:Mahidol University,;Chuthamas Kamolchai. The study of antibody level by hemagglutination inhibition test to dengue hemorrhagic fever in Thai children aged under fifteen years at Burirum Province. ม.ป.ท.:Mahidol University, 1990. Print.