P. WilairatanaV. WilairatanaMahidol University2018-02-272018-02-271994-09-01The Southeast Asian journal of tropical medicine and public health. Vol.25, No.3 (1994), 603-604012515622-s2.0-0028506769https://repository.li.mahidol.ac.th/handle/123456789/9645Mahidol UniversityMedicineArticleSCOPUS