T. CHAINUVATIMahidol University2018-08-102018-08-101993-01-01Journal of Gastroenterology and Hepatology. Vol.8, No.1 S (1993), S30-S3214401746081593192-s2.0-84993915337https://repository.li.mahidol.ac.th/handle/20.500.14594/22787Mahidol UniversityMedicineArticleSCOPUS10.1111/j.1440-1746.1993.tb01678.x