W. AriyaprakaiP. ChalermsanyakornMahidol University2018-02-272018-02-271986-01-01Journal of the Medical Association of Thailand. Vol.69, No.1 (1986), 33-36012522082-s2.0-0022576153https://repository.li.mahidol.ac.th/handle/20.500.14594/9828Mahidol UniversityMedicineArticleSCOPUS