A. RutanarugsaM. VorachitN. PolnikornP. JayanetraMahidol University2018-06-142018-06-141990-01-01Southeast Asian Journal of Tropical Medicine and Public Health. Vol.21, No.2 (1990), 185-193003836192-s2.0-0025168716https://repository.li.mahidol.ac.th/handle/20.500.14594/16137Mahidol UniversityMedicineArticleSCOPUS