K. OunkasemP. SutthiwanMahidol University2018-04-192018-04-191976-12-01Journal of the Medical Association of Thailand. Vol.59, No.7 (1976), 321-327012522082-s2.0-0017139962https://repository.li.mahidol.ac.th/handle/123456789/10896Mahidol UniversityMedicineArticleSCOPUS