P. ThongcharoenMahidol University2018-06-142018-06-141989-12-01Southeast Asian Journal of Tropical Medicine and Public Health. Vol.20, No.4 (1989), 559-573003836192-s2.0-0024949825https://repository.li.mahidol.ac.th/handle/123456789/15785Mahidol UniversityMedicineConference PaperSCOPUS