G. A. AttigK. ChanawongseMahidol University2018-06-142018-06-141989-12-01World Health Forum. Vol.10, No.2 (1989), 186-189025124322-s2.0-0024802538https://repository.li.mahidol.ac.th/handle/20.500.14594/15784Mahidol UniversityMedicineSocial SciencesArticleSCOPUS