Mareeya Udom. 1996. Diphtheria immunity prevalence in population of Phrae province. Faculty of Graduate Studies, Mahidol University;
Mareeya Udom. (1996) Diphtheria immunity prevalence in population of Phrae province . Mahidol University/Bangkok.
Mareeya Udom. Diphtheria immunity prevalence in population of Phrae province. . Bangkok:Mahidol University, 1996.
Mareeya Udom. (1996) Diphtheria immunity prevalence in population of Phrae province . Mahidol University/Bangkok.