M. KruatrachueT. HarinasutaMahidol University2018-04-192018-04-191970-01-01Annals of Tropical Medicine and Parasitology. Vol.64, No.1 (1970), 73-7713648594000349832-s2.0-0014751405https://repository.li.mahidol.ac.th/handle/123456789/10581Mahidol UniversityImmunology and MicrobiologyMedicineArticleSCOPUS10.1080/00034983.1970.11686665