N. BoonyaratavejMahidol University2018-06-012018-06-011979-12-01Journal of the Medical Association of Thailand. Vol.62, No.12 (1979), 682-685012522082-s2.0-0018596737https://repository.li.mahidol.ac.th/handle/20.500.14594/13233Mahidol UniversityMedicineArticleSCOPUS