D. ChiewsilpP. ChiewsilpS. BoonpucknavitiT. Rugsaku1Thailand Ministry of Public HealthFaculty of Medicine, Ramathibodi Hospital, Mahidol UniversityMahidol University2018-06-142018-06-141988-01-01Transactions of the Royal Society of Tropical Medicine and Hygiene. Vol.82, No.5 (1988), 688-68918783503003592032-s2.0-0023723822https://repository.li.mahidol.ac.th/handle/20.500.14594/15582Mahidol UniversityImmunology and MicrobiologyMedicineArticleSCOPUS10.1016/0035-9203(88)90199-X