S. TharavanijMahidol University2018-10-122018-10-121982-12-01Southeast Asian Journal of Tropical Medicine and Public Health. Vol.13, No.3 (1982), 331-338003836192-s2.0-0020263610https://repository.li.mahidol.ac.th/handle/123456789/30356Mahidol UniversityMedicineArticleSCOPUS