S. PungpakD. BunnagD. ChindanondB. RadmoyosMahidol University2018-06-142018-06-141987-01-01Southeast Asian Journal of Tropical Medicine and Public Health. Vol.18, No.2 (1987), 207-210003836192-s2.0-0023351853https://repository.li.mahidol.ac.th/handle/20.500.14594/15450Mahidol UniversityMedicineArticleSCOPUS