V. ViranuvattiMahidol University2018-09-072018-09-072000-01-01Journal of Gastroenterology and Hepatology (Australia). Vol.15, No.12 (2000), 1431081593192-s2.0-0034524801https://repository.li.mahidol.ac.th/handle/20.500.14594/26316Mahidol UniversityMedicineArticleSCOPUS10.1046/j.1440-1746.2000.02412.x